Patent Assignment
Reel/Frame 005569/0456
Assignment of Assignors Interest.
Recorded: 1990-12-20
Pages: 2
Covered Property
(1)
Large Aperture Reflective Interferometer for Measuring Convex Spherical Surfaces
Patent:
5,155,554 →
Application:
07/632,108 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 20, 1998
From: INTEGRATED SOLUTIONS, INC.
To: ULTRATECH ACQUISITION SUB, INC.
Reel/Frame 009314/0521 →
Security Interest
Jan 4, 1999
From: TROPEL CORPORATION
To: CITIBANK, N.A.
Reel/Frame 009678/0010 →
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 →
Security Interest
Dec 17, 1999
From: CITIBANK, N.A.
To: GENERAL SIGNAL CORPORATION
Reel/Frame 010470/0049 →
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 →