Patent Assignment
Reel/Frame 004677/0022
Assignment of Assignors Interest.
Recorded: 1987-02-09
Pages: 2
Assignors
PIOTROWSKI, PAUL A.
Executed: 1987-01-20
KOCHKA, EDGAR L.
Executed: 1987-01-20
DUNCAN, CHARLES S.
Executed: 1987-01-20
Covered Property
(1)
Conforming Crucible/Susceptor System for Silicon Crystal Growth
Patent:
4,747,774 →
Application:
07/012,779 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 9, 1995
From: WESTINGHOUSE ELECTRIC CORPORATION
To: EBARA SOLAR, INC.
Reel/Frame 007289/0025 →
Security Interest
Apr 23, 2003
From: EBARA SOLAR, INC.
To: EBARA CORPORATION
Reel/Frame 013986/0818 →
Assignment of Assignor's Interest
Dec 11, 2003
From: EBARA SOLAR, INC.
To: EBARA CORPORATION
Reel/Frame 014770/0477 →