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Thomas J. Holce
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Portland, OR, US
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Patents Grants
last 30 patents
Information
Patent Grant
Wide gap magnetic reed switch and method for manufacture of same
Patent number
4,943,791
Issue date
Jul 24, 1990
Sentrol, Inc.
Thomas J. Holce
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Switch and connector assembly including protective housings for jum...
Patent number
4,543,458
Issue date
Sep 24, 1985
Sentrol, Inc.
Thomas J. Holce
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetically retained connecting cable incorporating magnetically o...
Patent number
4,536,754
Issue date
Aug 20, 1985
Sentrol, Inc.
Thomas J. Holce
G08 - SIGNALLING
Information
Patent Grant
Modular terminal housing
Patent number
4,525,018
Issue date
Jun 25, 1985
Sentrol, Inc.
Thomas J. Holce
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Plunger-operated switch unit
Patent number
4,456,897
Issue date
Jun 26, 1984
Sentrol, Inc.
Thomas J. Holce
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Explosion-proof housing for electrical circuit components
Patent number
D273783
Issue date
May 8, 1984
Sentrol, Inc.
Thomas J. Holce
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Latching housing for miniature electrical components
Patent number
D272242
Issue date
Jan 17, 1984
Sentrol, Inc.
Thomas J. Holce
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Switch housing having recessed conductor terminals
Patent number
4,409,577
Issue date
Oct 11, 1983
Sentrol, Inc.
Thomas J. Holce
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Take-off connector for security circuit
Patent number
4,392,707
Issue date
Jul 12, 1983
Sentrol, Inc.
Thomas J. Holce
G08 - SIGNALLING
Information
Patent Grant
Combined switch housing and integral mounting bracket
Patent number
D268669
Issue date
Apr 19, 1983
Sentrol, Inc.
Thomas J. Holce
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Switch assembly including circuit test points
Patent number
4,371,856
Issue date
Feb 1, 1983
Sentrol, Inc.
Thomas J. Holce
G01 - MEASURING TESTING
Information
Patent Grant
Plunger operated magnetic contact switch assembly
Patent number
4,336,518
Issue date
Jun 22, 1982
Sentrol, Inc.
Thomas J. Holce
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Switch housing incorporating flexibly attached mounting plate
Patent number
4,335,270
Issue date
Jun 15, 1982
Sentrol, Inc.
Thomas J. Holce
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Housing for a floor-mounted magnetic contact switch
Patent number
D262618
Issue date
Jan 12, 1982
Sentrol, Inc.
Thomas J. Holce
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Telephone line attenuator network and attenuator pad therefor
Patent number
4,220,834
Issue date
Sep 2, 1980
Kentrox Industries, Inc.
Thomas J. Holce
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Housing for a magnetic contact switch
Patent number
D255030
Issue date
May 20, 1980
Sentrol, Inc.
Thomas J. Holce
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Housing for magnetic contact switch component
Patent number
D253106
Issue date
Oct 9, 1979
Thomas J. Holce
D13 - Equipment for production, distribution, or transformation of energy