Patent Assignment
Reel/Frame 004392/0033
Assignment of Assignors Interest.
Recorded: 1985-04-01
Pages: 2
Assignors
BACCHETTI, LAWRENCE F.
Executed: 1985-03-21
WALKER, DAVID M.
Executed: 1985-03-21
SMITH, DONALD O.
Executed: 1985-03-21
Assignee
CONTROL DATA CORPORATION A CORP OF DE
8100-34TH AVE.,, SOUTH MINNEAPOLIS,, MINNESOTA, 55440
Covered Property
(1)
Method and Apparatus for in-Situ Plasma Cleaning of Electron Beam Optical Systems
Patent:
4,665,315 →
Application:
06/718,361 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 2, 1992
From: CERIDIAN CORPORATION
To: ST. CLAIR INTELLECTUAL PROPERTY CONSULTANTS, INC. A CORP. OF MI
Reel/Frame 006276/0183 →
Assignment of Assignor's Interest
Dec 26, 1995
From: ST. CLAIR INTELLECTUAL PROPERTY CONSULTANTS, INC.
To: L.G. SEMICON CO., LTD.
Reel/Frame 007863/0667 →