Membership
Tour
Register
Log in
John Morley
Follow
Person
Madison, WI, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Compact keyboard system
Patent number
4,727,357
Issue date
Feb 23, 1988
Amtel Communications, Inc.
William J. Curtin
G06 - COMPUTING CALCULATING COUNTING