Inventor · disambiguated record
Robert T. Ritchie
Also filed as: RITCHIE ROBERT T
4 granted patents·1 pending application·102 citations·filing 1977–2018
76Inventor score
Top patents by PatentIndex Score
5 records- 0194US4202542AApparatus for handling flexible sheet material of different sizesIBM·Filed 1977·Granted May 13, 1980·76 cites·22 claims
- 0268US4990967ACopying method and apparatusIBM·Filed 1989·Granted Feb 5, 1991·17 cites·20 claims
- 0360US7530202B2Clamp for a guy guardRITCHIE ROBERT T·Filed 2006·Granted May 12, 2009·1 cites·17 claims
- 0451US4266231AInk jet with retractable electrode and secondary ink catcherIBM·Filed 1979·Granted May 5, 1981·8 cites·19 claims
- 0536US2018219361A1Guy guard with reflective material and method of making sameRITCHIE ROBERT T·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →