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Wescom Switching Inc.
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Downers Grove, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Data distribution interface
Patent number
4,377,843
Issue date
Mar 22, 1983
Wescom Switching, Inc.
Roy T. Garringer
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Switching d-c. regulator and load-sharing system for multiple regul...
Patent number
4,359,679
Issue date
Nov 16, 1982
Wescom Switching, Inc.
John F. Regan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Integrated automatic call distribution facility and PBX system
Patent number
4,289,934
Issue date
Sep 15, 1981
Wescom Switching Inc.
Satyan G. Pitroda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and means for digital conferencing
Patent number
4,267,593
Issue date
May 12, 1981
Wescom Switching, Inc.
John F. Regan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for testing analog-to-digital and digital-to-a...
Patent number
4,266,292
Issue date
May 5, 1981
Wescom Switching, Inc.
John F. Regan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dialed number to function translator for telecommunications switchi...
Patent number
4,259,549
Issue date
Mar 31, 1981
Wescom Switching, Inc.
Carl J. Stehman
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Microprocessor control complex for a telecommunication switching sy...
Patent number
4,256,926
Issue date
Mar 17, 1981
Wescom Switching, Inc.
Satyan G. Pitroda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
PCM switching system for wide and narrow band signals
Patent number
4,257,119
Issue date
Mar 17, 1981
Wescom Switching, Inc.
Satyan G. Pitroda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for testing tone generators
Patent number
4,218,589
Issue date
Aug 19, 1980
Wescom Switching, Inc.
Satyan G. Pitroda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus for digitally signaling sounds and tones in a...
Patent number
4,205,203
Issue date
May 27, 1980
Wescom Switching, Inc.
Madhu A. Mehta
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Voice frequency RC active filter
Patent number
4,185,250
Issue date
Jan 22, 1980
Wescom Switching, Inc.
John F. Regan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and means for accessing program memory of a common control t...
Patent number
4,154,988
Issue date
May 15, 1979
Wescom Switching, Inc.
William A. Fechalos
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for fault detection in PCM muliplexed system
Patent number
4,149,038
Issue date
Apr 10, 1979
Wescom Switching, Inc.
Satyan G. Pitroda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telecommunications network having multi-function spare network block
Patent number
4,146,749
Issue date
Mar 27, 1979
Wescom Switching, Inc.
Bernard J. Pepping
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus for special status indication in telephone sy...
Patent number
4,140,882
Issue date
Feb 20, 1979
Wescom Switching, Inc.
John F. Regan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electronic hybrid and hybrid repeater
Patent number
4,064,377
Issue date
Dec 20, 1977
Wescom Switching, Inc.
John F. Regan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73185843 - 580
Serial number
73185843
Registration number
1159765
Filing date
Sep 15, 1978
Wescom Switching, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73185844 - 580 DSS
Serial number
73185844
Registration number
1159766
Filing date
Sep 15, 1978
Wescom Switching, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73185842 - MONOGENERIC
Serial number
73185842
Registration number
1160697
Filing date
Sep 15, 1978
Wescom Switching, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments