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Qualop Systems Corp.
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Santa Clara, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Universal optical signal receiver
Patent number
5,907,422
Issue date
May 25, 1999
Qualop Systems Corp.
Ching Ho
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Universal optical signal receiver
Patent number
5,745,276
Issue date
Apr 28, 1998
Qualop Systems Corporation
Ching Ho
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical isolator system and method
Patent number
5,734,762
Issue date
Mar 31, 1998
Qualop Systems Corporation
Ching Ho
G02 - OPTICS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75065415 - ARTE II
Serial number
75065415
Registration number
2105893
Filing date
Feb 22, 1996
QUALOP SYSTEMS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75065414 - ARGO II
Serial number
75065414
Registration number
2107832
Filing date
Feb 22, 1996
QUALOP SYSTEMS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75064148 - APOLLO II
Serial number
75064148
Filing date
Feb 20, 1996
QUALOP SYSTEMS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74662258
Serial number
74662258
Filing date
Apr 17, 1995
QUALOP SYSTEMS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74662257 - QUALOP SYSTEMS CORPORATION
Serial number
74662257
Filing date
Apr 17, 1995
QUALOP SYSTEMS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments