Patent Assignment
Reel/Frame 004406/0539
Assignment of Assignors Interest.
Recorded: 1985-05-15
Pages: 1
Assignor
EDMARK, KARL W.
Executed: 1985-05-10
Covered Property
(1)
Microlithographic Calibration Scheme
Patent:
4,640,619 →
Application:
06/711,587 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Apr 27, 1987
From: GCA CORPORATION, A DE. CORP.
To: BANK OF NEW ENGLAND, N.A., AS AGENT
Reel/Frame 004701/0138 →
Security Interest
Feb 2, 1994
From: FLEET BANK OF MASSACHUSETTS, N.A.
To: GENERAL SIGNAL TECHNOLOGY CORPORATION
Reel/Frame 006850/0394 →
Assignment of Assignor's Interest
Oct 8, 1999
From: GENERAL SIGNAL CORPORATION
To: SAC CORP.
Reel/Frame 010299/0646 →
Change of Name
Oct 8, 1999
From: SAC CORP.
To: GENERAL SIGNAL CORPORATION
Reel/Frame 010299/0651 →
Assignment of Assignor's Interest
Apr 13, 2000
From: SPX CORPORATION; GENERAL SIGNAL CORPORATION
To: ULTRATECH STEPPER, INC.; ULTRATECH STEPPER EAST, INC.
Reel/Frame 010742/0569 →