Patent Assignment
Reel/Frame 023579/0881
Assignment of Assignor's Interest
Recorded: 2009-11-30
Pages: 4
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19809
Covered Property
(1)
Selectively Permeable Protective Structure and Articles Therefrom
Application:
61/237,789 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.