Membership
Tour
Register
Log in
Deffeyes; Robert J.
Follow
Organization
Arlington, TX, US
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Polymodal magnetic recording media process for making and verifying...
Patent number
4,237,189
Issue date
Dec 2, 1980
Deffeyes; Robert J.
Robert J. Deffeyes
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks