Inventor · disambiguated record
Robert W. Ditchburn
Also filed as: DITCHBURN ROBERT W
3 granted patents·71 citations·filing 1981–1990
74Inventor score
Top patents by PatentIndex Score
3 records- 0167US4461568AAssessing the color of gemstones and the likeWELBOURN CHRISTOPHER M·Filed 1981·Granted Jul 24, 1984·25 cites·15 claims
- 0261US5184732AShape sortingGERSAN ETS·Filed 1990·Granted Feb 9, 1993·28 cites·18 claims
- 0356US4946045ASortingDITCHBURN ROBERT W·Filed 1988·Granted Aug 7, 1990·18 cites·34 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →