IP Library Assignment 021843/0071
Patent Assignment
Reel/Frame 021843/0071

Assignment of Assignor's Interest

Recorded: 2008-11-17 Pages: 2
Assignors
PERCEC, SIMONA
Executed: 2008-11-06
TILFORD, SUSAN H
Executed: 2008-11-06
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, DUPONT LEGAL, WILMINGTON, DELAWARE, 19805
Covered Property (1)
Amorphous Polymers with Pendant Chromogenic Groups
Patent: 8,287,767 →
Application: 12/297,312 →
Publication: US 2009/0279160
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 →