George W. MacKenzie

Follow

Person

Middletown, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Compact telephone set employing slidable actuated supervision switches
- Patent number 4,272,655
- Issue date Jun 9, 1981
- International Telephone & Telegraph Corporation
- George W. MacKenzie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE