Assignee
BLACKBOURN INC
US·6 granted patents·293 citations·filing 1982–1990
Top patents by PatentIndex Score
6 records- 0194US4784264ADisplay albumBLACKBOURN INC·Filed 1988·Granted Nov 15, 1988·67 cites·9 claims
- 0288US5145068ACassette album with channel-form hinges and methodBLACKBOURN INC·Filed 1990·Granted Sep 8, 1992·79 cites·8 claims
- 0384US4496048AVideo cassette carrierBLACKBOURN INC·Filed 1982·Granted Jan 29, 1985·26 cites·11 claims
- 0483US4771886AApparatus and method for manufacturing two-ply cassette albumsBLACKBOURN INC·Filed 1987·Granted Sep 20, 1988·34 cites·17 claims
- 0582US4641750ATwo-ply cassette album and method of making sameBLACKBOURN INC·Filed 1985·Granted Feb 10, 1987·43 cites·12 claims
- 0679US4966283ACassette album with channel-form hinges and methodBLACKBOURN INC·Filed 1989·Granted Oct 30, 1990·44 cites·6 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →