IP Library Assignment 031945/0414
Patent Assignment
Reel/Frame 031945/0414

Assignment of Assignor's Interest

Recorded: 2014-01-12 Pages: 2
Assignor
PENG, SHENG
Executed: 2014-01-08
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, WILMINGTON, DELAWARE, 19898
Covered Property (1)
Chamber Cleaning and Semiconductor Etching Gases
Application: 61/921,594 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 15, 2015
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: THE CHEMOURS COMPANY FC, LLC
Reel/Frame 035432/0023 →
Assignment of Assignor's Interest Dec 19, 2016
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: THE CHEMOURS COMPANY FC, LLC.
Reel/Frame 041030/0664 →