Membership
Tour
Register
Log in
PACIFIC BELL, A CA CORP
Follow
Organization
SAN FRANCISCO, CA, US
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Switch cutover with paced transition
Patent number
5,848,144
Issue date
Dec 8, 1998
Pacific Bell
Peter Robert Ahrens
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for generating documentation for computer software
Patent number
5,452,206
Issue date
Sep 19, 1995
Pacific Bell
T. Orlando Turrietta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for providing application programs with direct addressabilit...
Patent number
5,386,525
Issue date
Jan 31, 1995
Pacific Bell
Otto F. Noack
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method for telephone network testing
Patent number
5,357,556
Issue date
Oct 18, 1994
Pacific Bell
Stephen A. Dresser
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone lottery play system
Patent number
5,327,485
Issue date
Jul 5, 1994
Pacific Bell
Frank Leaden
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Hybrid database structure linking navigational fields having a hier...
Patent number
5,295,261
Issue date
Mar 15, 1994
Pacific Bell Corporation
Charles T. Simonetti
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Telephone enclosure
Patent number
5,216,853
Issue date
Jun 8, 1993
Pacific Bell
Kenneth F. Dignan
E04 - BUILDING
Information
Patent Grant
Modulated nonblocking parallel banyan network
Patent number
5,216,668
Issue date
Jun 1, 1993
Pacific Bell
Ning Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Nonblocking parallel Banyan network
Patent number
5,132,965
Issue date
Jul 21, 1992
Pacific Bell
Ning Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital network utilizing telephone lines
Patent number
5,124,943
Issue date
Jun 23, 1992
Pacific Bell
Daniel P. Lubarsky
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Piezo-electric relay
Patent number
5,093,600
Issue date
Mar 3, 1992
Pacific Bell
James E. Kohl
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Packet routing switch
Patent number
5,065,394
Issue date
Nov 12, 1991
Pacific Bell
Ning Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital service unit for connecting data processing equipment to a...
Patent number
5,062,104
Issue date
Oct 29, 1991
Pacific Bell
Daniel P. Lubarsky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interface unit for transferring digital data between time-domain mu...
Patent number
5,058,163
Issue date
Oct 15, 1991
Pacific Bell
Daniel P. Lubarsky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Illegal sequence detection and protection circuit
Patent number
5,023,612
Issue date
Jun 11, 1991
Pacific Bell
Kuo-Hui Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical fiber bandwidth limiting method
Patent number
RE33474
Issue date
Dec 4, 1990
Pacific Bell
John J. Schembri
455 - Telecommunications
Information
Patent Grant
Fiber optic distribution system and method of using same
Patent number
4,946,244
Issue date
Aug 7, 1990
Pacific Bell
John J. Schembri
G02 - OPTICS
Information
Patent Grant
Office control unit apparatus for use in a digital network
Patent number
4,924,460
Issue date
May 8, 1990
Pacific Bell
Daniel P. Lubarsky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Latching piezoelectric relay
Patent number
4,916,349
Issue date
Apr 10, 1990
Pacific Bell
William P. Kornrumpf
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System and method for providing a conductive circuit pattern utiliz...
Patent number
4,909,895
Issue date
Mar 20, 1990
Pacific Bell
Dominic A. Cusano
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Cross-connected switch having means for removing switching modules...
Patent number
4,907,253
Issue date
Mar 6, 1990
Pacific Bell
Donald L. Watrous
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for providing a strengthened conductive circuit pattern
Patent number
4,898,648
Issue date
Feb 6, 1990
Pacific Bell
Dominic A. Cusano
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Error correcting code and error correcting circuit using the same
Patent number
4,899,340
Issue date
Feb 6, 1990
Pacific Bell
Daniel P. Lubarsky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multijunction unit apparatus for use in a digital network
Patent number
4,893,340
Issue date
Jan 9, 1990
Pacific Bell
Daniel P. Lubarsky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiplexer and computer network using the same
Patent number
4,890,279
Issue date
Dec 26, 1989
Pacific Bell
Daniel P. Lubarsky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fiber optic distribution network
Patent number
4,871,225
Issue date
Oct 3, 1989
Pacific Bell
John J. Schembri
G02 - OPTICS
Information
Patent Grant
High-voltage pull-up device
Patent number
4,868,620
Issue date
Sep 19, 1989
Pacific Bell
James E. Kohl
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System for detecting and locating defective crosspoint switches
Patent number
4,860,334
Issue date
Aug 22, 1989
Pacific Bell
James E. Kohl
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pay-per-view CATV system
Patent number
4,852,154
Issue date
Jul 25, 1989
Pacific Bell
David R. Lewis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cross-connect switch and method for providing test access thereto
Patent number
4,845,736
Issue date
Jul 4, 1989
Pacific Bell
Edward C. Posner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Trademark
last 30 trademarks