IP Library Assignment 047544/0014
Patent Assignment
Reel/Frame 047544/0014

Assignment of Assignor's Interest

Recorded: 2018-11-19 Pages: 2
Assignors
CHEN, GUANGHUI
Executed: 2008-11-17
KNORR, LAWRENCE MARK
Executed: 2008-11-17
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
974 CENTRE ROAD, WILMINGTON, DELAWARE, 19805
Covered Property (1)
Liquid Filtration Media
Patent: 7,993,523 →
Application: 12/284,027 →
Publication: US 2009/0026137
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 →