Membership
Tour
Register
Log in
Victor Maldonado
Follow
Person
Miami, FL, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for authorizing use of cellular telephone units
Patent number
6,654,600
Issue date
Nov 25, 2003
TracFone Wireless, Inc.
Frederick John Pollak
H04 - ELECTRIC COMMUNICATION TECHNIQUE