Individual holder
JOHNSON MARTIN W
5 granted patents·110 citations·filing 1982–1990
Individually held — no corporate assignee on record.
Technology mixA63B1
Top patents by PatentIndex Score
5 records- 0183USD277219SAbdominal exercise benchJOHNSON MARTIN W·Filed 1982·Granted Jan 15, 1985·23 cites·1 claims
- 0280US5071119AAbdominal exercise deviceJOHNSON MARTIN W·Filed 1990·Granted Dec 10, 1991·75 cites·4 claims
- 0356USD275213SPhysical exerciserJOHNSON MARTIN W·Filed 1982·Granted Aug 21, 1984·7 cites·1 claims
- 0439USD274173SAbdominal exerciser for attachment to chair or the likeJOHNSON MARTIN W·Filed 1982·Granted Jun 5, 1984·3 cites·1 claims
- 0535USD277497SAbdominal exerciser for attachment to chair or the likeJOHNSON MARTIN W·Filed 1982·Granted Feb 5, 1985·2 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →