IP Library › Assignment 004294/0198
Patent Assignment
Reel/Frame 004294/0198

Assignment of Assignors Interest.

Recorded: 1984-08-30 Pages: 2
Assignors
SHAMBROOM, JOHN R.
Executed: 1983-11-08
SLISKI, ALAN P.
Executed: 1983-11-08
Assignee
CONTROL DATA CORPORATION A CORP. OF DE
8100-34TH AVE.,, SOUTH MINNEAPOLIS,, MINNESOTA, 55440
Covered Property (1)
Capacitance Height Gage Applied in Reticle Position Detection System for Electron Beam Lithography Apparatus
Patent: 4,538,069 →
Application: 06/546,760 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Aug 6, 1984
From: SHAMBROOM, JOHN R.; SLISKI, ALAN P.
To: CONTROL DATA CORPORATION, A CORP. OF DE
Reel/Frame 004286/0637 →
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 →