PACIFIC BELL, A CA CORP

Organization

SAN FRANCISCO, CA, US

Organizations

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Patents Grantslast 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

PACIFIC BELL, A CA CORP

Organization

Patents Grantslast 30 patents

Switch cutover with paced transition

Method for generating documentation for computer software

System for providing application programs with direct addressabilit...

System and method for telephone network testing

Telephone lottery play system

Hybrid database structure linking navigational fields having a hier...

Telephone enclosure

Modulated nonblocking parallel banyan network

Nonblocking parallel Banyan network

Digital network utilizing telephone lines

Piezo-electric relay

Packet routing switch

Digital service unit for connecting data processing equipment to a...

Interface unit for transferring digital data between time-domain mu...

Illegal sequence detection and protection circuit

Optical fiber bandwidth limiting method

Fiber optic distribution system and method of using same

Office control unit apparatus for use in a digital network

Latching piezoelectric relay

System and method for providing a conductive circuit pattern utiliz...

Cross-connected switch having means for removing switching modules...

Method for providing a strengthened conductive circuit pattern

Error correcting code and error correcting circuit using the same

Multijunction unit apparatus for use in a digital network

Multiplexer and computer network using the same

Fiber optic distribution network

High-voltage pull-up device

System for detecting and locating defective crosspoint switches

Pay-per-view CATV system

Cross-connect switch and method for providing test access thereto