Patent Assignment
Reel/Frame 010470/0049
Security Interest
Recorded: 1999-12-17
Pages: 7
Assignor
CITIBANK, N.A.
Executed: 1999-12-15
Assignee
GENERAL SIGNAL CORPORATION
A DELAWARE CORPORATION, 700 TERRACE POINT DRIVE, MUSKEGON, MICHIGAN, 49443
Covered Properties
(3)
Large Aperture Reflective Interferometer for Measuring Convex Spherical Surfaces
Patent:
5,155,554 →
Application:
07/632,108 →
Photolithographic Reduction Imaging of Extended Field
Patent:
5,281,996 →
Application:
07/940,537 →
Decoupled Mount for Optical Element and Stacked Annuli Assembly
Patent:
5,428,482 →
Application:
08/079,976 →
Related Assignments
(8)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Dec 20, 1990
From: SCHNABLE, GEORGE K.; VANKERKHOVE, STEVEN J.
To: GENERAL SIGNAL CORPORATION, A CORP. OF NY
Reel/Frame 005569/0456 →
Assignment of Assignors Interest.
Sep 4, 1992
From: BRUNING, JOHN H.; BEAULIEU, DAVID R.
To: GENERAL SIGNAL
Reel/Frame 006316/0632 →
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 →
Release of Security Interest in Patents
Feb 28, 2000
From: TROPEL CORPORATION
To: CITIBANK, N.A.
Reel/Frame 010648/0009 →
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 →