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James A. Erickson
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Crystal Lake, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Terminal reversing block
Patent number
8,366,492
Issue date
Feb 5, 2013
Boltswitch, Inc.
John W. Erickson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Operating mechanism for a manually operated load break switch
Patent number
5,486,668
Issue date
Jan 23, 1996
Boltswitch, Inc.
James A. Erickson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Shunt trip switch operator
Patent number
5,276,288
Issue date
Jan 4, 1994
Boltswitch, Inc.
William C. Erickson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dual switch actuator mechanism with Geneva drive plate and follower...
Patent number
5,272,291
Issue date
Dec 21, 1993
Boltswitch, Inc.
James A. Erickson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Turn prevention assembly for electrical connection lugs
Patent number
5,244,423
Issue date
Sep 14, 1993
Boltswitch, Inc.
John W. Erickson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Switch operating rod assembly
Patent number
4,177,368
Issue date
Dec 4, 1979
Boltswitch, Inc.
James A. Erickson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Bolted pressure switch with side operator mechanism and door assemb...
Patent number
4,137,433
Issue date
Jan 30, 1979
Boltswitch, Inc.
James A. Erickson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Load break switch with transparent internal shield
Patent number
4,110,584
Issue date
Aug 29, 1978
Boltswitch, Inc.
John W. Erickson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Motorized shunt trip switch operator
Patent number
4,020,432
Issue date
Apr 26, 1977
Boltswitch, Inc.
John W. Erickson
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Terminal Reversing Block
Publication number
20110147175
Publication date
Jun 23, 2011
Boltswitch, Inc.
John W. Erickson
H01 - BASIC ELECTRIC ELEMENTS