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Frank T. Ehrenberger
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Iowa City, IA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Floating stationary contact to create stable, low resistance contac...
Patent number
8,907,236
Issue date
Dec 9, 2014
Schneider Electric USA, Inc.
Chad R. Mittelstadt
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Latch for an electrical device
Patent number
6,801,111
Issue date
Oct 5, 2004
Square D Company
Randall L. Siebels
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Current limiting circuit breaker
Patent number
6,414,256
Issue date
Jul 2, 2002
Square D Company
William Weizhong Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Motorized drive assembly for a circuit breaker operator
Patent number
4,131,776
Issue date
Dec 26, 1978
Square D Company
Frank T. Ehrenberger
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
FLOATING STATIONARY CONTACT TO CREATE STABLE, LOW RESISTANCE CONTAC...
Publication number
20130248335
Publication date
Sep 26, 2013
SCHNEIDER ELECTRIC USA, INC.
Chad R. Mittelstadt
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Latch for an electrical device
Publication number
20040036562
Publication date
Feb 26, 2004
Randall L. Siebels
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CURRENT LIMITING CIRCUIT BREAKER
Publication number
20020092829
Publication date
Jul 18, 2002
William Weizhong Chen
H01 - BASIC ELECTRIC ELEMENTS