David Bartholomew

Person

West Valley City, UT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and system for a low cost wireless telephone link for a set...
- Patent number 7,810,125
- Issue date Oct 5, 2010
- Phonex Broadband Corporation
- David Bartholomew
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital wireless phone/modem jack capable of communications over th...
- Patent number 6,567,474
- Issue date May 20, 2003
- Phonex Corporation
- Scott R. Bullock
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for power line null detection and automatic frequ...
- Patent number 6,456,192
- Issue date Sep 24, 2002
- Phonex Broadband Corporation
- Scott R. Bullock
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless modem jack
- Patent number 6,107,912
- Issue date Aug 22, 2000
- Phonex Corporation
- Scott R. Bullock
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secure cordless telephone extension system and method
- Patent number 5,911,119
- Issue date Jun 8, 1999
- Phonex Corporation
- David B. Bartholomew
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secure access telephone extension system and method in a cordless t...
- Patent number 5,852,785
- Issue date Dec 22, 1998
- David B. Bartholomew
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secure access telephone extension system and method
- Patent number 5,530,737
- Issue date Jun 25, 1996
- Phonex Corporation
- David B. Bartholomew
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple access telephone extension systems and methods
- Patent number 5,319,634
- Issue date Jun 7, 1994
- Phoenix Corporation
- David B. Bartholomew
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR A LOW COST WIRELESS TELEPHONE LINK FOR A SET...
- Publication number 20070186256
- Publication date Aug 9, 2007
- Phonex Broadband Corporation
- David Bartholomew
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for a low cost wireless telephone link for a set...
- Publication number 20030005460
- Publication date Jan 2, 2003
- David Bartholomew
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

David Bartholomew

Person

Patents Grantslast 30 patents

Method and system for a low cost wireless telephone link for a set...

Digital wireless phone/modem jack capable of communications over th...

Method and system for power line null detection and automatic frequ...

Wireless modem jack

Secure cordless telephone extension system and method

Secure access telephone extension system and method in a cordless t...

Secure access telephone extension system and method

Multiple access telephone extension systems and methods

Patents Applicationslast 30 patents

METHOD AND SYSTEM FOR A LOW COST WIRELESS TELEPHONE LINK FOR A SET...

Method and system for a low cost wireless telephone link for a set...