Membership
Tour
Register
Log in
Hugh H. Aiken
Follow
Person
Tulsa, OK, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Matrix keyboard
Patent number
4,567,469
Issue date
Jan 28, 1986
Polytel Corp.
Sherif Danish
H03 - BASIC ELECTRONIC CIRCUITRY