Membership
Tour
Register
Log in
Ferdinand Hein
Follow
Person
Augsburg, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Stacked sheets with code bits forming composite image
Patent number
4,781,381
Issue date
Nov 1, 1988
Ferdinand Hein
A63 - SPORTS GAMES AMUSEMENTS