Patent Assignment
Reel/Frame 004070/0342
Assignment of Assignors Interest.
Recorded: 1982-10-12
Pages: 2
Assignee
MAGNETICS PERIPHERALS INC.
8100-34TH AVE. SOUTH, MINNEAPOLIS, MINNESOTA
Covered Property
(1)
On-Axis Achromatic Quarterwave Retarder Prism
Patent:
4,514,047 →
Application:
06/433,933 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 19, 1983
From: MAGNETIC PERIPHERALS INC., A DE CORP.
To: NEW MPI, INC., 8100 34TH AVENUE SOUTH, MINNEAPOLIS, MN 55440 A DE CORP
Reel/Frame 004170/0980 →
Change of Name Effective June 14,1983
Aug 19, 1983
From: NEW MPI, INC.
To: MAGNETIC PERIPHERALS INC.
Reel/Frame 004186/0823 →
Assignment of Assignors Interest.
Aug 2, 1989
From: MAGNETIC PERIPHERALS INC.
To: CONTROL DATA CORPORATION
Reel/Frame 005208/0318 →
Assignment of Assignors Interest.
Apr 3, 1991
From: CONTROL DATA CORPORATION
To: NORTH AMERICAN PHILIPS CORPORATION, A CORP. OF DE
Reel/Frame 005652/0951 →