Patent Assignment
Reel/Frame 004458/0436
Assignment of Assignors Interest.
Recorded: 1985-09-19
Pages: 2
Assignors
SMITH, DONALD O.
Executed: 1985-07-01
BURGESS, JOHN R.
Executed: 1985-07-01
WALKER, DAVID M.
Executed: 1985-07-01
Assignee
CONTROL DATA CORPORATION
8100-34TH AVENUE SOUTH, A CORP OF DE, MINNEAPOLIS, MINNESOTA, 55440
Covered Property
(1)
Low Defect Etching of Patterns Using Plasma-Stencil Mask
Patent:
4,661,203 →
Application:
06/749,788 →
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 →