Patent Assignment
Reel/Frame 003866/0475
Assignment of Assignors Interest.
Recorded: 1981-07-02
Pages: 1
Assignor
WUERFLEIN DON E.
Executed: 1981-02-20
Assignee
PENNWALT CORPORATION, A CORP. OF PA
THREE PARKWAY, PHILADELPHIA, PENNSYLVANIA
Covered Property
(1)
Low Ripple Regulated X-Ray Tube Power Supply Filament Transformer
Patent:
4,317,040 →
Application:
06/242,097 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jul 31, 1984
From: PENNWALT CORPORATION A PA. CORP
To: S.S. WHITE COMPANY, THE
Reel/Frame 004288/0006 →
Assignment of Assignors Interest.
Dec 6, 1991
From: S.S. WHITE COMPANY, THE A CORP. OF DELAWARE
To: KEYSTONE X-RAY, INC. A CORP. OF PENNSYLVANIA
Reel/Frame 005935/0788 →