-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 LKRj7+tmt67Uk9mFWs5oD4VkWBoIWEJKuZ1E9QTR835pMsmYNVocoRs4l+gLeKIR
 HKQ/6p3VeeLlZp9nAo5Jvg==

<SEC-DOCUMENT>0000815910-04-000056.txt : 20040421
<SEC-HEADER>0000815910-04-000056.hdr.sgml : 20040421
<ACCEPTANCE-DATETIME>20040421124211
ACCESSION NUMBER:		0000815910-04-000056
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040420
FILED AS OF DATE:		20040421

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KNOWLES C HARRY
		CENTRAL INDEX KEY:			0000939465

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24712
		FILM NUMBER:		04744808

	BUSINESS ADDRESS:	
		STREET 1:		90 COLES ROAD
		CITY:			BLACKWOOD
		STATE:			NJ
		ZIP:			08012
		BUSINESS PHONE:		6092288100

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			METROLOGIC INSTRUMENTS INC
		CENTRAL INDEX KEY:			0000815910
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER PERIPHERAL EQUIPMENT, NEC [3577]
		IRS NUMBER:				221866172
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		COLES ROAD AT RTE 42
		CITY:			BLACKWOOD
		STATE:			NJ
		ZIP:			08012
		BUSINESS PHONE:		609-228-8100

	MAIL ADDRESS:	
		STREET 1:		COLES ROAD ROUTE 42
		CITY:			BLACKWOOD
		STATE:			NJ
		ZIP:			08012

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KNOWLES JANET H
		CENTRAL INDEX KEY:			0001241575

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24712
		FILM NUMBER:		04744807

	BUSINESS ADDRESS:	
		STREET 1:		90 COLES RD.
		CITY:			BLACKWOOD
		STATE:			NJ
		ZIP:			08012
		BUSINESS PHONE:		8562288100

	MAIL ADDRESS:	
		STREET 1:		90 COLES RD.
		CITY:			BLACKWOOD
		STATE:			NJ
		ZIP:			08012
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>knowles_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-04-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000815910</issuerCik>
        <issuerName>METROLOGIC INSTRUMENTS INC</issuerName>
        <issuerTradingSymbol>MTLG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000939465</rptOwnerCik>
            <rptOwnerName>KNOWLES C HARRY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>90 COLES ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BLACKWOOD</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08012</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001241575</rptOwnerCik>
            <rptOwnerName>KNOWLES JANET H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>90 COLES RD.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BLACKWOOD</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08012</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President Administration</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-04-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>G</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1800000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>21.39</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7644000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <remarks>C. Harry &amp; Janet H. Knowles are husband and wife.  All shares are jointly owned.</remarks>

    <ownerSignature>
        <signatureName>C. Harry Knowles</signatureName>
        <signatureDate>2004-04-21</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Janet H. Knowles</signatureName>
        <signatureDate>2004-04-21</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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