Inventor · disambiguated record
Charles Ryan Leach
Also filed as: LEACH CHARLES · LEACH CHARLES R · LEACH CHARLES RYAN
3 granted patents·64 citations·filing 1978–2013
68Inventor score
Top patents by PatentIndex Score
3 records- 0185US4285303ASwash plate internal combustion engineLEACH CHARLES·Filed 1979·Granted Aug 25, 1981·59 cites·10 claims
- 0253US8657659B2Networked wagering game with a randomly-selected feature gameBALLY GAMING INC·Filed 2013·Granted Feb 25, 2014·0 cites·17 claims
- 0350USD254488SMachine control foot pedal or the likeIBM·Filed 1978·Granted Mar 18, 1980·5 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →