IP Library Assignment 035669/0189
Patent Assignment
Reel/Frame 035669/0189

Assignment of Assignor's Interest

Recorded: 2015-05-19 Pages: 6
Assignors
JONES, DAVID CHARLES
Executed: 2010-10-05
LIM, HYUN SUNG
Executed: 2010-10-12
CHI, CHENG-HANG
Executed: 2010-10-05
ZHANG, LU
Executed: 2010-10-15
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
Patent: 8,636,833 →
Application: 12/878,084 →
Publication: US 2011/0214570
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 25, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT SAFETY & CONSTRUCTION, INC.
Reel/Frame 049586/0634 →