Individual holder
MACHEN JAMES F
3 granted patents·1 pending application·80 citations·filing 1973–2018
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0184US4249877AHigh-speed direct-drive extruderMACHEN JAMES F·Filed 1979·Granted Feb 10, 1981·56 cites·10 claims
- 0254US4124188AHinge-foot for folding frameMACHEN JAMES F·Filed 1973·Granted Nov 7, 1978·16 cites·5 claims
- 0342USD402908SEngraved surveyor's markerMACHEN JAMES F·Filed 1995·Granted Dec 22, 1998·8 cites·1 claims
- 0438US2019308438A1Flat Binder ClipMACHEN JAMES F·Filed 2018·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →