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RICHARDSON, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Telecommunications system and protocol for avoiding message collisi...
Patent number
5,416,780
Issue date
May 16, 1995
Network Access Corporation
Rajendra Patel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Personal telecommunications system
Patent number
5,315,636
Issue date
May 24, 1994
Network Access Corporation
Rajendra Patel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system network for providing an area with limited bandwi...
Patent number
5,233,643
Issue date
Aug 3, 1993
Network Access Corporation
Abdolreza S. Naeini
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for providing existing 1ESS and 1AESS telephon...
Patent number
5,086,461
Issue date
Feb 4, 1992
Network Access Corporation
David W. Thorn
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for providing existing telephone switching equ...
Patent number
4,903,263
Issue date
Feb 20, 1990
Network Access Corporation
Rajendra Patel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for providing existing telephone switching equ...
Patent number
4,853,955
Issue date
Aug 1, 1989
Network Access Corporation
David W. Thorn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for enhancing the operating capabilities of a...
Patent number
4,782,519
Issue date
Nov 1, 1988
Network Access Corporation
Rajendra Patel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73821894 - INTELLIGENT NETWORK PLATFORMS
Serial number
73821894
Filing date
Aug 28, 1989
NETWORK ACCESS CORPORATION
38 - Telecommunications
Information
Trademark
73735206 - SYSTEM CONTAC BASE
Serial number
73735206
Registration number
1568027
Filing date
Jun 20, 1988
NETWORK ACCESS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73580907 - SYSTEM CONTAC
Serial number
73580907
Registration number
1447182
Filing date
Feb 3, 1986
NETWORK ACCESS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73504151 - SYSTEM EASE
Serial number
73504151
Registration number
1378920
Filing date
Oct 16, 1984
NETWORK ACCESS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73504152 - NAC
Serial number
73504152
Registration number
1383121
Filing date
Oct 16, 1984
NETWORK ACCESS CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments