Inventor · disambiguated record
William Wilfred Spencer
Also filed as: SPENCER WILLIAM W · SPENCER WILLIAM WILFRED
4 granted patents·130 citations·filing 1976–2000
78Inventor score
Top patents by PatentIndex Score
4 records- 0190US4725116AMultiple pass optical rotary jointNOVA SCOTIA RES FOUND·Filed 1985·Granted Feb 16, 1988·99 cites·33 claims
- 0261US6619638B1Supplementary torsion spring assemblySCHEWITZ CLIVE KAY·Filed 2000·Granted Sep 16, 2003·13 cites·15 claims
- 0336US4006893ASpringsSPENCER WILLIAM WILFRED·Filed 1976·Granted Feb 8, 1977·10 cites·4 claims
- 0429US5540417AAdjustable coil spring assemblyFiled 1994·Granted Jul 30, 1996·8 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →