Inventor · disambiguated record
Robert Sydney Walker
Also filed as: WALKER ROBERT S · WALKER ROBERT SYDNEY
3 granted patents·30 citations·filing 1993–1997
69Inventor score
Top patents by PatentIndex Score
3 records- 0144US6311820B1Coin validator calibrationCOIN CONTROL LTD·Filed 1997·Granted Nov 6, 2001·17 cites·35 claims
- 0237US5609234ACoin validatorFiled 1993·Granted Mar 11, 1997·8 cites·13 claims
- 0330US5651444ACoin handling apparatus and methods of determining information regarding moving coinsMARS INC·Filed 1994·Granted Jul 29, 1997·5 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →