Individual holder
COLWELL WALTER R
3 granted patents·48 citations·filing 1977–2006
Individually held — no corporate assignee on record.
Technology mixA42B1
Top patents by PatentIndex Score
3 records- 0185US7304442B2Three component protective head gear powered by a rechargeable batteryCOLWELL WALTER R·Filed 2006·Granted Dec 4, 2007·39 cites·8 claims
- 0258USD253615SPlaying card holderCOLWELL WALTER R·Filed 1977·Granted Dec 4, 1979·7 cites·1 claims
- 0335USD266234SBody of an armored land vehicleCOLWELL WALTER R·Filed 1980·Granted Sep 21, 1982·2 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →