Inventor · disambiguated record

Hugh F. Spence

Also filed as: SPENCE HUGH F

2 granted patents·291 citations·filing 1987–1994

71Inventor score

Technology areasG01R G07G

Files withH E BUTT GROCERY COMPANY1 SOUTHWEST RES INST1

Top patents by PatentIndex Score

2 records

0190US4766295AElectronic pricing display systemH E BUTT GROCERY COMPANY·Filed 1987·Granted Aug 23, 1988·233 cites·14 claims
0279US5440566AFault detection and diagnosis for printed circuit boardsSOUTHWEST RES INST·Filed 1994·Granted Aug 8, 1995·58 cites·13 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →