Patent Assignment
Reel/Frame 020520/0862
Assignment of Assignor's Interest
Recorded: 2008-02-16
Pages: 4
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19805
Covered Property
(1)
Filter Felts and Bag Filters Comprising Blends of Fibers Derived from Diamino Diphenyl Sulfone and Heat Resistant Fibers
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.