Membership
Tour
Register
Log in
Peter H. Cook
Follow
Person
Lewisham, London, S.E. 13, GB
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Educational toys
Patent number
4,197,661
Issue date
Apr 15, 1980
B & H Commercial Inventors & Designers Limited
Peter H. Cook
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS