Membership
Tour
Register
Log in
James A. Grasham
Follow
Person
Kentfield, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Color encoding-decoding method
Patent number
3,969,830
Issue date
Jul 20, 1976
James A. Grasham
G07 - CHECKING-DEVICES