John J. Randall Jr.

Person

Williamstown, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
AC Etching of aluminum capacitor foil
- Patent number RE31743
- Issue date Nov 20, 1984
- Sprague Electric Company
- Mulk R. Arora
- 204 - Chemistry: electrical and wave energy
Information Patent Grant
AC Etching of aluminum capacitor foil
- Patent number 4,427,506
- Issue date Jan 24, 1984
- Sprague Electric Company
- Trung H. Nguyen
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
AC Etching of aluminum capacitor
- Patent number 4,279,714
- Issue date Jul 21, 1981
- Sprague Electric Company
- Mulk A. Arora
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Etching of aluminum capacitor foil
- Patent number 4,279,715
- Issue date Jul 21, 1981
- Sprague Electric Company
- Mulk A. Arora
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Treating etched aluminum electrolytic capacitor foil
- Patent number 4,204,919
- Issue date May 27, 1980
- Sprague Electric Company
- John J. Randall
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Anodizing aluminum in boric acid bath containing hydroxy organic acid
- Patent number 4,159,927
- Issue date Jul 3, 1979
- Sprague Electric Company
- Walter J. Bernard
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Anodization of aluminum capacitor electrode foil
- Patent number 4,146,439
- Issue date Mar 27, 1979
- Sprague Electric Company
- John J. Randall
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for producing an aluminum electrolytic capacitor having a s...
- Patent number 4,113,579
- Issue date Sep 12, 1978
- Sprague Electric Company
- John J. Randall
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

John J. Randall Jr.

Person

Patents Grantslast 30 patents

AC Etching of aluminum capacitor foil

AC Etching of aluminum capacitor foil

AC Etching of aluminum capacitor

Etching of aluminum capacitor foil

Treating etched aluminum electrolytic capacitor foil

Anodizing aluminum in boric acid bath containing hydroxy organic acid

Anodization of aluminum capacitor electrode foil

Process for producing an aluminum electrolytic capacitor having a s...