IP Library Assignment 029947/0719
Patent Assignment
Reel/Frame 029947/0719

Assignment of Assignor's Interest

Recorded: 2013-03-08 Pages: 4
Assignors
LEVIT, MIKHAIL R.
Executed: 2013-02-23
RICHARDSON III, LLEWELLYN BENTLEY
Executed: 2013-02-26
KNOFF, WARREN FRANCIS
Executed: 2013-02-27
KAWKA, DARIUSZ WLODZIMIERZ
Executed: 2013-02-27
Assignee
E.I. DUPONT DE NEMOURS AND COMPANY
4417 LANCASTER AVE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19805
Covered Property (1)
Method of Making a Sandwich Panel
Patent: 9,434,142 →
Application: 13/750,234 →
Publication: US 2013/0196175
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 051180/0648 →