Patent Assignment
Reel/Frame 035669/0743
Assignment of Assignor's Interest
Recorded: 2015-05-19
Pages: 4
Assignors
CHI, CHENG-HANG
Executed: 2009-04-13
LIM, HYUN SUNG
Executed: 2009-04-13
ZHANG, LU
Executed: 2009-04-09
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, WILMINGTON, DELAWARE, 19898
Covered Property
(1)
Air Filtration Medium with Improved Dust Loading Capacity and Improved Resistance to High Humidity Environment
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.