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Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend]
SEC Accession No. 0001437749-21-025115
Filing Date
2021-11-03
Accepted
2021-11-03 17:05:15
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13D/A vfk20211102_sc13da.htm SC 13D/A 48540
  Complete submission text file 0001437749-21-025115.txt   49916
Mailing Address C/O RESEARCH FRONTIERS INC. 240 CROSSWAYS PARK DRIVE WOODBURY NY 11797
Business Address
KEEN VICTOR F (Filed by) CIK: 0001223065 (see all company filings)

Type: SC 13D/A

Mailing Address 333 JACKSON PLAZA SUITE 1200 ANN ARBOR MI 48103
Business Address 333 JACKSON PLAZA SUITE 1200 ANN ARBOR MI 48103 918-494-0509
CORETEC GROUP INC. (Subject) CIK: 0001375195 (see all company filings)

IRS No.: 000000000 | State of Incorp.: OK | Fiscal Year End: 1231
Type: SC 13D/A | Act: 34 | File No.: 005-82555 | Film No.: 211376437
SIC: 3669 Communications Equipment, NEC