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Santa Clara, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Battery polarity insensitive integrated circuit amplifier
Patent number
6,462,929
Issue date
Oct 8, 2002
The Engineering Consortium, Inc.
James Barclay Compton
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Battery polarity insensitive integrated circuit amplifier
Patent number
6,448,852
Issue date
Sep 10, 2002
The Engineering Consortium, Inc.
James Barclay Compton
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiple time constant rectifier apparatus and method
Patent number
6,445,233
Issue date
Sep 3, 2002
The Engineering Consortium, Inc.
Hoang Minh Pinai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Switched capacitor filter with integrated voltage multiplier
Patent number
6,424,208
Issue date
Jul 23, 2002
The Engineering Consortium, Inc.
Hoang Minh Pinai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Audio compression circuit and method
Patent number
6,405,164
Issue date
Jun 11, 2002
Engineering Consortium, Inc.
Hoang Minh Pinai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital to analog converter trim apparatus and method
Patent number
6,307,490
Issue date
Oct 23, 2001
The Engineering Consortium, Inc.
Helmuth Robert Litfin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Battery polarity insensitive integrated circuit amplifier
Patent number
6,157,252
Issue date
Dec 5, 2000
The Engineering Consortium, Inc.
James Barclay Compton
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
76239700 - HSOC
Serial number
76239700
Registration number
2640821
Filing date
Apr 12, 2001
Engineering Consortium, Inc., The
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
76005954 - HSOC
Serial number
76005954
Registration number
2636333
Filing date
Mar 21, 2000
Engineering Consortium, Inc., The
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75866419 - OPTIMA-D
Serial number
75866419
Registration number
2595083
Filing date
Dec 6, 1999
Engineering Consortium, The
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75731356 - OCTAVO
Serial number
75731356
Filing date
Jun 17, 1999
Engineering Consortium, Inc., The
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75522957 - TEC
Serial number
75522957
Registration number
2367555
Filing date
Jul 21, 1998
Engineering Consortium, Inc., The
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments