Patent Assignment
Reel/Frame 005828/0922
Assignment of Assignors Interest.
Recorded: 1991-09-10
Pages: 3
Assignor
WAHL, GEORG
Executed: 1991-08-29
Assignee
DEGUSSA AKTIENGESELLSCHAFT
A CORPORATION OF FED. REP. OF GERMANY, WEISSFRAUEN-STRASSE 9, 600 FRANKFURT AM MAIN, GERMANY
Covered Property
(1)
Process for Nitrocarburizing Components Made from Steel
Patent:
5,102,476 →
Application:
07/592,445 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 20, 1995
From: DEGUSSA AKTIENGESELLSCHAFT
To: DURFERRIT GMBH THERMOTECHNIK
Reel/Frame 007505/0870 →
Assignment of Assignor's Interest
May 20, 1999
From: DUFERRIT GMBH THERMOTECHNIK
To: HOUGHTON DURFERRIT GMBH
Reel/Frame 009958/0510 →
Assignment of Assignor's Interest
Nov 4, 1999
From: DURFERRIT GMBH THERMOTECHNIK
To: HOUGHTON DURFERRIT GMBH
Reel/Frame 010351/0748 →