Assignee
R O HULL & COMPANY INC
10 granted patents·360 citations·filing 1975–1978
Top patents by PatentIndex Score
10 records- 0197US4038161AAcid copper plating and additive composition thereforR O HULL & COMPANY INC·Filed 1976·Granted Jul 26, 1977·103 cites·20 claims
- 0293US4139425AComposition, plating bath, and method for electroplating tin and/or leadR O HULL & COMPANY INC·Filed 1978·Granted Feb 13, 1979·36 cites·31 claims
- 0391US4165242ATreatment of metal parts to provide rust-inhibiting coatings by phosphating and electrophoretically depositing a siccative organic coatingR O HULL & COMPANY INC·Filed 1977·Granted Aug 21, 1979·76 cites·21 claims
- 0488US4134803ANitrogen and sulfur compositions and acid copper plating bathsR O HULL & COMPANY INC·Filed 1977·Granted Jan 16, 1979·28 cites·40 claims
- 0585US4135991ABath and method for electroplating tin and/or leadR O HULL & COMPANY INC·Filed 1977·Granted Jan 23, 1979·26 cites·37 claims
- 0683US4075066AElectroplating zinc, ammonia-free acid zinc plating bath therefor and additive composition thereforR O HULL & COMPANY INC·Filed 1977·Granted Feb 21, 1978·23 cites·44 claims
- 0779US3956123AAdditive for electrodeposition of bright tin and tin-lead alloyR O HULL & COMPANY INC·Filed 1975·Granted May 11, 1976·20 cites·14 claims
- 0872US4146442AZinc electroplating baths and processR O HULL & COMPANY INC·Filed 1978·Granted Mar 27, 1979·19 cites·17 claims
- 0965US4146441AAdditive compositions, baths, and methods for electrodepositing bright zinc depositsR O HULL & COMPANY INC·Filed 1978·Granted Mar 27, 1979·12 cites·23 claims
- 1064US4076600ALeveling agent for acid zinc electroplating baths and methodR O HULL & COMPANY INC·Filed 1976·Granted Feb 28, 1978·17 cites·66 claims
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