Assignee
RACKMAN MICHAEL I
US·9 granted patents·327 citations·filing 1975–1994
Top patents by PatentIndex Score
9 records- 0195US4670857ACartridge-controlled system whose use is limited to authorized cartridgesRACKMAN MICHAEL I·Filed 1981·Granted Jun 2, 1987·190 cites·8 claims
- 0288US4002843ATamper-proof two-way cable systemRACKMAN MICHAEL I·Filed 1975·Granted Jan 11, 1977·43 cites·2 claims
- 0377US5246411AExercise machine systemRACKMAN MICHAEL I·Filed 1991·Granted Sep 21, 1993·67 cites·6 claims
- 0445US4108438AMethod of playing a board gameRACKMAN MICHAEL I·Filed 1976·Granted Aug 22, 1978·6 cites·20 claims
- 0543US5614955ACompressed digital multi-channel video communications system having one or more auxiliary channels to accomodate high bit ratesRACKMAN MICHAEL I·Filed 1994·Granted Mar 25, 1997·8 cites·16 claims
- 0639US5282065AFacsimile machine for printing documents all with corresponding edges aligned independent of whether individual documents were transmitted top or bottom edge firstRACKMAN MICHAEL I·Filed 1992·Granted Jan 25, 1994·6 cites·6 claims
- 0733US4108430AAction gameRACKMAN MICHAEL I·Filed 1977·Granted Aug 22, 1978·5 cites·17 claims
- 0831US4156527AScoring game with operative path and switching apparatusRACKMAN MICHAEL I·Filed 1978·Granted May 29, 1979·1 cites·30 claims
- 0930US4108443ABoard gameRACKMAN MICHAEL I·Filed 1977·Granted Aug 22, 1978·1 cites·36 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →