Patent Assignment
Reel/Frame 020510/0688
Assignment of Assignor's Interest
Recorded: 2008-02-14
Pages: 2
Assignor
HAYES, RICHARD ALLEN
Executed: 2007-11-30
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19805
Covered Property
(1)
Highly Abrasion-Resistant Ionomer Pipes
Application:
60/984,153 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.