<SEC-DOCUMENT>0001144204-18-013284-index.html : 20180307 <SEC-HEADER>0001144204-18-013284.hdr.sgml : 20180307 <ACCEPTANCE-DATETIME>20180307132754 ACCESSION NUMBER: 0001144204-18-013284 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20180227 ITEM INFORMATION: Changes in Registrant's Certifying Accountant ITEM INFORMATION: Financial Statements and Exhibits FILED AS OF DATE: 20180307 DATE AS OF CHANGE: 20180307 FILER: COMPANY DATA: COMPANY CONFORMED NAME: RIDGEFIELD ACQUISITION CORP CENTRAL INDEX KEY: 0000812152 STANDARD INDUSTRIAL CLASSIFICATION: BLANK CHECKS [6770] IRS NUMBER: 840922701 STATE OF INCORPORATION: CO FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 000-16335 FILM NUMBER: 18672707 BUSINESS ADDRESS: STREET 1: 31248 OAK CREST DRIVE STREET 2: SUITE 110 CITY: WESTLAKE VILLAGE STATE: CA ZIP: 91361 BUSINESS PHONE: 3033680401 MAIL ADDRESS: STREET 1: 31248 OAK CREST DRIVE STREET 2: SUITE 110 CITY: WESTLAKE VILLAGE STATE: CA ZIP: 91361 FORMER COMPANY: FORMER CONFORMED NAME: BIO MEDICAL AUTOMATION INC DATE OF NAME CHANGE: 19990323 FORMER COMPANY: FORMER CONFORMED NAME: OZO DIVERSIFIED AUTOMATION INC /CO/ DATE OF NAME CHANGE: 19920703 </SEC-HEADER> <DOCUMENT> <TYPE>8-K <SEQUENCE>1 <FILENAME>tv487954_8k.htm <DESCRIPTION>FORM 8-K <TEXT> Document 1 - file: tv487954_8k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-16.1 <SEQUENCE>2 <FILENAME>tv487954_ex16-1.htm <DESCRIPTION>EXHIBIT 16.1 <TEXT> Document 2 - file: tv487954_ex16-1.htm
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