IP Library Assignment 028832/0654
Patent Assignment
Reel/Frame 028832/0654

Assignment of Assignor's Interest

Recorded: 2012-08-22 Pages: 2
Assignor
LEE, KIU-SEUNG
Executed: 2012-08-10
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19809
Covered Property (1)
Process for Forming an Aramid Copolymer
Patent: 8,907,051 →
Application: 13/559,691 →
Publication: US 2013/0261239
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 19, 2014
From: LEE, KIU-SEUNG
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 032242/0996 →
Assignment of Assignor's Interest Jun 25, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT SAFETY & CONSTRUCTION, INC.
Reel/Frame 049585/0450 →