Patent Assignment
Reel/Frame 005948/0256
Assignment of Assignors Interest.
Recorded: 1991-12-06
Pages: 3
Assignor
LEDGER, ANTHONY M.
Executed: 1991-12-06
Assignee
HUGHES AIRCRAFT COMPANY
A CORP. OF DE, LOS ANGELES, CALIFORNIA
Covered Property
(1)
Apparatus and Method for Interferometaically Measuring the Thickness of Thin Films Using Full Aperture Irradiation
Patent:
5,333,049 →
Application:
07/804,872 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 20, 1996
From: HUGHES AIRCRAFT COMPANY
To: INTEGRATED PROCESS EQUIPMENT CORP.
Reel/Frame 007824/0119 →
Assignment of Assignor's Interest
Jun 13, 1996
From: HUGHES AIRCRAFT COMPANY
To: INTEGRATED PROCESS EQUIPMENT CORP.
Reel/Frame 007991/0547 →
Security Interest
Jun 21, 1996
From: INTEGRATED PROCESS EQUIPMENT
To: FIRST INTERSTATE BANK OF ARIZONA, N.A.
Reel/Frame 008000/0438 →
Release of Security Agreement
Feb 5, 1999
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS AGENT, FORMERLY FIRST INTERSTATE BANK OF ARIZONA, N.A.
To: INTEGRATED PROCESS EQUIPMENT CORP.
Reel/Frame 009737/0571 →
Assignment of Assignor's Interest
Aug 18, 2005
From: SPEEDFAM-IPEC CORPORATION, FORMERLY INTEGRATED PROCESS EQUIPMENT CORP.
To: ADE CORPORATION
Reel/Frame 016418/0136 →