Patent Assignment
Reel/Frame 010352/0568
Assignment of Assignor's Interest
Recorded: 1999-11-01
Pages: 2
Assignor
HAYES, RICHARD ALLEN
Executed: 1999-10-13
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
LEGAL PATENTS, 1007 MARKET STREET, WILMINGTON, DELAWARE, 19898
Covered Property
(1)
Poly(Vinyl Alcohol) Copolymer Ionomers, Their Preparation and Use in Textile Sizes
Patent:
6,387,991 →
Application:
09/370,806 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.