IP Library Assignment 006493/0189
Patent Assignment
Reel/Frame 006493/0189

Assignment of Assignors Interest.

Recorded: 1993-03-25 Pages: 3
Assignor
LEDGER, ANTHONY
Executed: 1993-03-16
Assignee
HUGHES AIRCRAFT COMPANY
7200 HUGHES TERRACE, LOS ANGELES, CALIFORNIA, 90045
Covered Property (1)
Apparatus and Method for Thick Wafer Measurement
Patent: 5,386,119 →
Application: 08/037,069 →
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 →