Inventor · disambiguated record
Richard Joseph Welch
Also filed as: WELCH JR RICHARD · WELCH RICHARD J · WELCH RICHARD JOSEPH
3 granted patents·54 citations·filing 1975–1997
72Inventor score
Top patents by PatentIndex Score
3 records- 0160US3981081ALens measuring instrumentWELCH RICHARD J·Filed 1975·Granted Sep 21, 1976·19 cites·15 claims
- 0258US5906538ACutting apparatus with abrasive wheelFiled 1997·Granted May 25, 1999·25 cites·13 claims
- 0339US4159580AGrain drying binWELCH JR RICHARD·Filed 1977·Granted Jul 3, 1979·10 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →