Inventor · disambiguated record
Robert W. Birckhead
Also filed as: BIRCKHEAD ROBERT · BIRCKHEAD ROBERT W
4 granted patents·56 citations·filing 1980–1985
77Inventor score
Top patents by PatentIndex Score
4 records- 0152US4442649AFabricated beamBIRCKHEAD ROBERT·Filed 1982·Granted Apr 17, 1984·18 cites·6 claims
- 0251US4549838AMethod of manufacturing a connector plate, connector plate and machine for manufacturing connector plateALPINE ENG PROD·Filed 1980·Granted Oct 29, 1985·11 cites·3 claims
- 0350US4737060AStaggered teeth plateBIRCKHEAD ROBERT W·Filed 1985·Granted Apr 12, 1988·21 cites·1 claims
- 0428US4625535AMethod of forming truss platesBIRCKHEAD ROBERT W·Filed 1985·Granted Dec 2, 1986·6 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →