Inventor · disambiguated record

Melvin William Polkinghorn

Also filed as: POLKINGHORN MELVIN WILLIAM

1 granted patent·7 citations·filing 1975–1975

28Inventor score

Technology areasB60Q

Files withITT1

Top patents by PatentIndex Score

1 record

0132US4016380ATurn signal and hazard warning control apparatus for unitary insertion into vehicle steering column bodyITT·Filed 1975·Granted Apr 5, 1977·7 cites·5 claims

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