Inventor

RANDALL JR JOHN J

7 patents

Patents

7 patents

US4113579ASep 12, 1978

Process for producing an aluminum electrolytic capacitor having a stable oxide film

SPRAGUE ELECTRIC CO45 citations91

US4159927AJul 3, 1979

Anodizing aluminum in boric acid bath containing hydroxy organic acid

SPRAGUE ELECTRIC CO17 citations72

US4470885ASep 11, 1984

Process for treating aluminum electrolytic capacitor foil

SPRAGUE ELECTRIC CO9 citations71

US4146439AMar 27, 1979

Anodization of aluminum capacitor electrode foil

SPRAGUE ELECTRIC CO8 citations71

US4427506AJan 24, 1984

AC Etching of aluminum capacitor foil

SPRAGUE ELECTRIC CO18 citations70

US4279715AJul 21, 1981

Etching of aluminum capacitor foil

SPRAGUE ELECTRIC CO5 citations60

US4279714AJul 21, 1981

AC Etching of aluminum capacitor

SPRAGUE ELECTRIC CO4 citations58