Inventor · disambiguated record

Francis D. Orr

Also filed as: ORR FRANCIS D

1 granted patent·29 citations·filing 1971–1971

43Inventor score

Technology areasH03K

Files withZINSMEYER LOIS M1

Top patents by PatentIndex Score

1 record

0174US3993569APhotoelectrically triggered timing circuit for controlling electrically responsive load apparatus in response to alternate light changesZINSMEYER LOIS M·Filed 1971·Granted Nov 23, 1976·29 cites·15 claims

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