Patent Assignment
Reel/Frame 007976/0609
Assignment of Assignor's Interest
Recorded: 1996-04-23
Pages: 3
Assignor
ALVIN, MARY ANNE
Executed: 1996-04-03
Assignee
WESTINGHOUSE ELECTRIC CORPORATION
11 STANWIX STREET, PITTSBURGH, PENNSYLVANIA, 15222
Covered Property
(1)
Multi-Membrane Filter
Patent:
6,451,081 →
Application:
08/636,431 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Nunc Pro Tunc Assignment
Oct 13, 1998
From: CBS CORPORATION, FORMERLY KNOWN AS WESTINGHOUSE ELECTRIC CORP.
To: SIEMENS WESTINGHOUSE POWER CORPORATION
Reel/Frame 009827/0570 →
Change of Name
Sep 15, 2005
From: SIEMENS WESTINGHOUSE POWER CORPORATION
To: SIEMENS POWER GENERATION, INC.
Reel/Frame 016996/0491 →
Change of Name
Mar 31, 2009
From: SIEMENS POWER GENERATION, INC.
To: SIEMENS ENERGY, INC.
Reel/Frame 022482/0740 →