Inventor · disambiguated record

Francis J. Purchase

Also filed as: PURCHASE FRANCIS J · PURCHASE FRANCIS JACK

2 granted patents·134 citations·filing 1975–1977

67Inventor score

Technology areasG08B H01J

Files withAUTOTELIC IND LTD1 PURCHASE FRANCIS J1

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2 records

0188US4207524ARadio coupled device for detecting and analyzing weak transmissionsPURCHASE FRANCIS J·Filed 1977·Granted Jun 10, 1980·120 cites·7 claims
0264US3940757AMethod and apparatus for creating optical displaysAUTOTELIC IND LTD·Filed 1975·Granted Feb 24, 1976·14 cites·30 claims

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