Inventor · disambiguated record
John J. Randall, Jr.
Also filed as: BERNARD WALTER J · RANDALL JR JOHN J
8 granted patents·124 citations·filing 1977–1983
88Inventor score
Files withSPRAGUE ELECTRIC CO8
Top patents by PatentIndex Score
8 records- 0186US4113579AProcess for producing an aluminum electrolytic capacitor having a stable oxide filmSPRAGUE ELECTRIC CO·Filed 1977·Granted Sep 12, 1978·45 cites·6 claims
- 0278US4204919ATreating etched aluminum electrolytic capacitor foilSPRAGUE ELECTRIC CO·Filed 1979·Granted May 27, 1980·18 cites·10 claims
- 0375US4159927AAnodizing aluminum in boric acid bath containing hydroxy organic acidSPRAGUE ELECTRIC CO·Filed 1977·Granted Jul 3, 1979·17 cites·9 claims
- 0471US4427506AAC Etching of aluminum capacitor foilSPRAGUE ELECTRIC CO·Filed 1982·Granted Jan 24, 1984·18 cites·4 claims
- 0556US4470885AProcess for treating aluminum electrolytic capacitor foilSPRAGUE ELECTRIC CO·Filed 1983·Granted Sep 11, 1984·9 cites·5 claims
- 0653US4146439AAnodization of aluminum capacitor electrode foilSPRAGUE ELECTRIC CO·Filed 1978·Granted Mar 27, 1979·8 cites·3 claims
- 0742US4279715AEtching of aluminum capacitor foilSPRAGUE ELECTRIC CO·Filed 1980·Granted Jul 21, 1981·5 cites·7 claims
- 0842US4279714AAC Etching of aluminum capacitorSPRAGUE ELECTRIC CO·Filed 1980·Granted Jul 21, 1981·4 cites·4 claims
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