IP Library Assignment 020917/0691
Patent Assignment
Reel/Frame 020917/0691

Assignment of Assignor's Interest

Recorded: 2008-05-08 Pages: 5
Assignors
CHEN, GUANGHUI
Executed: 2008-04-04
KNORR, LAWRENCE MARK
Executed: 2008-04-01
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19805
Covered Property (1)
Liquid Filtration Media
Patent: 8,038,013 →
Application: 12/074,164 →
Publication: US 2008/0217239
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 →