IP Library Assignment 021886/0610
Patent Assignment
Reel/Frame 021886/0610

Assignment of Assignor's Interest

Recorded: 2008-11-25 Pages: 2
Assignors
ARMSTRONG, MARK L.
Executed: 2008-10-08
CHANG, HAO
Executed: 2008-10-08
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, DUPONT LEGAL, WILMINGTON, DELAWARE, 19805
Covered Property (1)
Method for Thermal Development with a Conformable Support
Patent: 8,492,073 →
Application: 12/283,341 →
Publication: US 2010/0062376
Related Assignments (2)
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 ELECTRONICS, INC.
Reel/Frame 049583/0269 →
Assignment of Assignor's Interest Mar 30, 2026
From: DUPONT ELECTRONICS, INC.
To: SP HOLDING II ET, INC.
Reel/Frame 075319/0463 →