Inventor · disambiguated record

John J. Zelle

Also filed as: ZELLE JOHN J

2 granted patents·32 citations·filing 1987–1989

61Inventor score

Technology areasG01R

Files withCANADIAN PATENTS DEV2

Top patents by PatentIndex Score

2 records

0159US4937520AInstrument to measure the errors of apparent power metersCANADIAN PATENTS DEV·Filed 1989·Granted Jun 26, 1990·23 cites·9 claims
0236US4786859ARMS measuring apparatus for AC/DC voltagesCANADIAN PATENTS DEV·Filed 1987·Granted Nov 22, 1988·9 cites·7 claims

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