IP Library › Assignment 005456/0602
Patent Assignment
Reel/Frame 005456/0602

Assignment of Assignors Interest.

Recorded: 1990-10-01 Pages: 5
Assignor
Assignee
INTERSERV, CORP.
9201 EAST BLOOMINGTON FREEWAY, STE. J, MINNEAPOLIS, MINNESOTA, 55420
Covered Properties (6)
Phase Contrast Alignment System for a Semiconductor Manufacturing Apparatus
Patent: 4,419,013 →
Application: 06/280,878 →
Automatic Wafer Alignment Technique
Patent: 4,475,122 →
Application: 06/319,782 →
Single Lens Repeater
Patent: 4,521,114 →
Application: 06/330,498 →
Mixer Coupling Lens Subassembly for Photolithographic System
Patent: 4,474,463 →
Application: 06/412,825 →
High Speed Alignment Method for Wafer Stepper
Patent: 4,550,374 →
Application: 06/441,413 →
Focusing Device for Photo-Exposure System
Patent: 4,441,808 →
Application: 06/441,648 →
Related Assignments (8)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Jul 6, 1981
From: HEIMER, RICHARD J.
To: TRE SEMICONDUCTOR EQUIPMENT CORPORATION, A CORP. OF CA.
Reel/Frame 003911/0506 →
Assignment of Assignors Interest. Nov 9, 1981
From: GREEN, LAWRENCE S.
To: TRE SEMICONDUCTOR EQUIPMENT CORPORATION, A CORP. OF CA.
Reel/Frame 003945/0517 →
Assignment of Assignors Interest. Aug 30, 1982
From: HEIMER, RICHARD J.
To: TRE SEMICONDUCTOR EQUIPMENT CORPORATION A CORP. OF
Reel/Frame 004045/0890 →
Assignment of Assignors Interest. Nov 15, 1982
From: GIACOMELLI, THOMAS P.
To: TRE SEMICONDUCTOR EQUIPMENT CORP.
Reel/Frame 004069/0489 →
Assignment of Assignors Interest. Nov 15, 1982
From: MESHMAN, BORIS; KEREKES, THOMAS A.; GREEN, LAWRENCE S.; KARLINSKY, DAVID
To: TRE CORPORATION
Reel/Frame 004069/0547 →
Assignment of Assignors Interest. Mar 29, 1983
From: TRE CORPORATION
To: TRE SEMICONDUCTOR EQUIPMENT CORP., A CORP OF CA.
Reel/Frame 004107/0987 →
Assignment of Assignors Interest. Mar 18, 1985
From: ELECTROMASK,INC.
To: TRE SEMICONDUCTOR EQUIPMENT CORPORATION
Reel/Frame 004375/0700 →
Assignment of Assignors Interest. Jun 20, 1986
From: TRE SEMICONDUCTOR EQUIPMENT CORPORATION
To: AMERICAN SEMICONDUCTOR EQUIPMENT TECHNOLOGIES
Reel/Frame 004568/0792 →