Membership
Tour
Register
Log in
Phillip L. Witherspoon
Follow
Person
Summerfield, NC, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Tire retreading envelope seal
Patent number
4,309,234
Issue date
Jan 5, 1982
Long Mile Rubber Company
Phillip L. Witherspoon
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL