Inventor · disambiguated record
Richard A. Lewison
Also filed as: LEWISON RICHARD · LEWISON RICHARD A
3 granted patents·73 citations·filing 1981–1989
73Inventor score
Top patents by PatentIndex Score
3 records- 0176US4923597APortable screen with raising and levelling systemANDERSON DON W·Filed 1989·Granted May 8, 1990·45 cites·10 claims
- 0261US4467875ACompact, triple-hinged agricultural implement tool barWETHERELL RONALD D·Filed 1981·Granted Aug 28, 1984·18 cites·13 claims
- 0343US4522267AShredder/plow combinationWETHERELL RONALD D·Filed 1982·Granted Jun 11, 1985·10 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →