Patent Assignment
Reel/Frame 003929/0267
Assignment of Assignors Interest.
Recorded: 1981-11-23
Pages: 1
Assignor
GUENTER, THOMAS E.
Executed: 1981-07-22
Assignee
E.I. DU PONT DE NEMOURS AND COMPANY
A CORP. OF DE, WILMINGTON, DELAWARE
Covered Property
(1)
Manufacture of H2 02
Patent:
4,374,820 →
Application:
06/288,005 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 27, 1998
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: ELF ATOCHEM NORTH AMERICA, INC.
Reel/Frame 009638/0225 →
Change of Name
Jul 25, 2000
From: ELF ATOCHEM NORTH AMERICA, INC., A CORP. OF PENNSYLVANIA
To: ATOFINA CHEMICALS, INC., A CORP. OF PENNSYLVANIA
Reel/Frame 011007/0001 →