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OPTEK TECHNOLOGY, INC
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CARROLLTON, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
System for outputting a plurality of signals as a collective repres...
Patent number
6,356,076
Issue date
Mar 12, 2002
Optek Technology, Inc.
Robert Herman Luetzow
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic sensing device for outputting a digital signal as a dynami...
Patent number
6,211,670
Issue date
Apr 3, 2001
Optek Technology, Inc.
Eric DeWilde
G01 - MEASURING TESTING
Information
Patent Grant
Automobile ignition security system using a differential magnetic c...
Patent number
6,067,824
Issue date
May 30, 2000
Optek Technology, Inc.
Thomas G. Osborne
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Security circuit with magnetic proximity sensor having a magnetic s...
Patent number
5,491,412
Issue date
Feb 13, 1996
Optek Technology, Inc.
Johnny R. Foster
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Programmable voltage source with isolation network
Patent number
5,121,102
Issue date
Jun 9, 1992
Optek Technology, Inc.
Robert S. Stricklin
G08 - SIGNALLING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
76683850 - OPTIMAL
Serial number
76683850
Registration number
3595241
Filing date
Nov 8, 2007
OPTEK TECHNOLOGY, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
77320735 - OPTOTHERM
Serial number
77320735
Registration number
3778570
Filing date
Nov 3, 2007
OPTEK TECHNOLOGY, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
78569396 - COOLLED
Serial number
78569396
Filing date
Feb 17, 2005
Optek Technology
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75260586 - MAGNETOLOGIC
Serial number
75260586
Registration number
2244990
Filing date
Mar 20, 1997
OPTEK TECHNOLOGY, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74499925 - PHOTOLOGIC
Serial number
74499925
Registration number
1947454
Filing date
Mar 9, 1994
OPTEK TECHNOLOGY, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74498696 - HALLOGIC
Serial number
74498696
Registration number
1947447
Filing date
Mar 9, 1994
OPTEK TECHNOLOGY, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73780859 - OPTEK
Serial number
73780859
Filing date
Feb 13, 1989
OPTEK TECHNOLOGY, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73780858
Serial number
73780858
Registration number
1568097
Filing date
Feb 13, 1989
OPTEK TECHNOLOGY, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73681716 - OPT-IC
Serial number
73681716
Registration number
1499316
Filing date
Aug 31, 1987
OPTEK TECHNOLOGY, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments