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QUADRI CORPORATION, A CORP. OF DE
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TEMPE, AZ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Non-volatile semiconductor memory with SCRAM hold cycle prior to SC...
Patent number
4,965,828
Issue date
Oct 23, 1990
Quadri Corporation
Harold L. Ergott
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Soft write apparatus and method for nondestructive readout core memory
Patent number
4,805,146
Issue date
Feb 14, 1989
Quadri Corporation
John F. Bruder
G11 - INFORMATION STORAGE
Information
Patent Grant
Fast, non-volatile semiconductor/bubble memory with temperature-com...
Patent number
4,559,616
Issue date
Dec 17, 1985
Quadri Corporation
John F. Bruder
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Field effect transistor core memory switching system and method
Patent number
4,463,449
Issue date
Jul 31, 1984
Quadri Corporation
John F. Bruder
G11 - INFORMATION STORAGE
Information
Patent Grant
Circuitry for reducing parasitic coupling in core memory
Patent number
4,300,214
Issue date
Nov 10, 1981
Quadri Corporation
John F. Bruder
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
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Trademark
73770466 - PHOENIX MEMORY SYSTEM
Serial number
73770466
Registration number
1630625
Filing date
Dec 19, 1988
QUADRI CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73769862
Serial number
73769862
Registration number
1559640
Filing date
Dec 16, 1988
QUADRI CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72415030 - OPTICABLE
Serial number
72415030
Registration number
961463
Filing date
Feb 9, 1972
QUADRI CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72403432 - Q CORE
Serial number
72403432
Registration number
951893
Filing date
Sep 23, 1971
QUADRI CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72366058 - QUADRI
Serial number
72366058
Registration number
932204
Filing date
Jul 23, 1970
QUADRI CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments