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Austin, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Private radiotelephone system with enhanced telephone system interface
Patent number
5,995,839
Issue date
Nov 30, 1999
Southwestern Bell Technology Resources, Inc.
Cameron Kelly Coursey
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for facilitating communication across multiple...
Patent number
5,974,133
Issue date
Oct 26, 1999
Southwestern Bell Technology Resources, Inc.
Harold C. Fleischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multipoint digital video composition and bridging system for video...
Patent number
5,835,129
Issue date
Nov 10, 1998
Southwestern Bell Technology Resources, Inc.
Arun Kumar
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for recording call related data
Patent number
5,799,073
Issue date
Aug 25, 1998
Southwestern Bell Technology Resources, Inc.
Harold C. Fleischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Disk meshing and flexible storage mapping with enhanced flexible ca...
Patent number
5,790,828
Issue date
Aug 4, 1998
Southwestern Bell Technology Resources, Inc.
Larry Thomas Jost
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Land-based wireless communications system having a scanned directio...
Patent number
5,701,583
Issue date
Dec 23, 1997
Southwestern Bell Technology Resources, Inc.
Steven Anthony Harbin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Advanced intelligent network screening
Patent number
5,680,446
Issue date
Oct 21, 1997
Southwestern Bell Technology Resources, Inc.
Harold C. Fleischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for controlling signal level at both ends of a transmission...
Patent number
5,678,198
Issue date
Oct 14, 1997
Southwestern Bell Technology Resources, Inc.
Paul H. Lemson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Memory subsystem with disk meshing, controller meshing, and efficie...
Patent number
5,671,385
Issue date
Sep 23, 1997
Southwestern Bell Technology Resources, Inc.
Larry T. Jost
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Spectrum sharing communications system for monitoring available spe...
Patent number
5,655,217
Issue date
Aug 5, 1997
Southwestern Bell Technology Resources, Inc.
Paul Hendrick Lemson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for transparent telephony utilizing speech-bas...
Patent number
5,594,784
Issue date
Jan 14, 1997
Southwestern Bell Technology Resources, Inc.
George A. Velius
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for forwarding incoming calls
Patent number
5,592,541
Issue date
Jan 7, 1997
Southwestern Bell Technology Resources, Inc.
Harold C. Fleischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Spectrum sharing communications system and system for monitoring av...
Patent number
5,548,809
Issue date
Aug 20, 1996
Southwestern Bell Technology Resources, Inc.
Paul H. Lemson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Storage control subsystem implemented with an application program o...
Patent number
5,530,845
Issue date
Jun 25, 1996
Southwestern Bell Technology Resources, Inc.
David M. Hiatt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Land-based wireless communications system having a scanned directio...
Patent number
5,488,737
Issue date
Jan 30, 1996
Southwestern Bell Technology Resources, Inc.
Steven A. Harbin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Detachable storage assembly
Patent number
5,477,518
Issue date
Dec 19, 1995
Southwestern Bell Technology Resources, Inc.
David M. Hiatt
G11 - INFORMATION STORAGE
Information
Patent Grant
System for controlling signal level at both ends of a transmission...
Patent number
5,457,811
Issue date
Oct 10, 1995
Southwestern Bell Technology Resources, Inc.
Paul H. Lemson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Out-of-band embedded overhead architecture for a transmission network
Patent number
5,452,306
Issue date
Sep 19, 1995
Southwestern Bell Technology Resources, Inc.
Andy Turudic
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Out-of-band loopback control scheme
Patent number
5,422,876
Issue date
Jun 6, 1995
Southwestern Bell Technology Resources, Inc.
Andy Turudic
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for controlling signal level at both ends of a transmission...
Patent number
5,321,849
Issue date
Jun 14, 1994
Southwestern Bell Technology Resources, Inc.
Paul H. Lemson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74323070 - FLEXPRO
Serial number
74323070
Filing date
Oct 15, 1992
SOUTHWESTERN BELL TECHNOLOGY RESOURCES,INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74315124 - TVID
Serial number
74315124
Filing date
Sep 17, 1992
SOUTHWESTERN BELL TECHNOLOGY RESOURCES,INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74298304 - CIDTV
Serial number
74298304
Filing date
Jul 27, 1992
SOUTHWESTERN BELL TECHNOLOGY RESOURCES,INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74270670 - IDTV
Serial number
74270670
Filing date
Apr 29, 1992
SOUTHWESTERN BELL TECHNOLOGY RESOURCES,INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments