Patent Assignment
Reel/Frame 028489/0827
Assignment of Assignor's Interest
Recorded: 2012-07-04
Pages: 2
Assignor
HAYES, RICHARD ALLEN
Executed: 2012-06-28
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19809
Covered Property
(1)
Highly Abrasion-Resistant Grafted Polyolefin Pipe
Patent:
8,728,600 →
Application:
13/534,593 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.