Lawrence T. Pena

Follow

Person

San Carlos, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Microprocessor controlled system for testing and selectively recond...
- Patent number 5,259,800
- Issue date Nov 9, 1993
- Conway Engineering, Inc.
- Gary C. Fields
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coin telephone message and management system
- Patent number 5,007,077
- Issue date Apr 9, 1991
- Conway Engineering, Inc.
- Gary C. Fields
- H04 - ELECTRIC COMMUNICATION TECHNIQUE