Roland E. Williams

Person

Walnut Creek, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Cordless cellular system
- Patent number 7,035,646
- Issue date Apr 25, 2006
- Cingular Wireless II, LLC
- Michael A. Raffel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cordless cellular system and method
- Patent number 6,735,432
- Issue date May 11, 2004
- AT&T Wireless Services, Inc.
- Keith Jarett
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of providing cellular and landline cordless service using a...
- Patent number 6,681,118
- Issue date Jan 20, 2004
- AT&T Wireless Services, Inc.
- Michael A. Raffel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cordless cellular system
- Patent number 6,611,692
- Issue date Aug 26, 2003
- AT&T Wireless Services, Inc.
- Michael A. Raffel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless communication system having mobile stations establish a co...
- Patent number 5,911,120
- Issue date Jun 8, 1999
- AT&T Wireless Services
- Keith Jarett
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile telecommunication device and method used for changing wirele...
- Patent number 5,732,360
- Issue date Mar 24, 1998
- AT & T Wireless Services and Atmel Corp
- Keith Jarett
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cordless cellular system base station
- Patent number 5,675,629
- Issue date Oct 7, 1997
- AT&T
- Michael A. Raffel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Cordless cellular system
- Publication number 20040152482
- Publication date Aug 5, 2004
- AT&T Wireless Services, Inc.
- Michael A. Raffel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Cordless cellular system
- Publication number 20030069014
- Publication date Apr 10, 2003
- Michael A. Raffel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Cordless cellular system
- Publication number 20030050090
- Publication date Mar 13, 2003
- Michael A. Raffel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Roland E. Williams

Person

Patents Grantslast 30 patents

Cordless cellular system

Cordless cellular system and method

Method of providing cellular and landline cordless service using a...

Cordless cellular system

Wireless communication system having mobile stations establish a co...

Mobile telecommunication device and method used for changing wirele...

Cordless cellular system base station

Patents Applicationslast 30 patents

Cordless cellular system

Cordless cellular system

Cordless cellular system