Patent Assignment
Reel/Frame 003980/0227
Assignment of Assignors Interest.
Recorded: 1982-03-19
Pages: 2
Assignor
CHEN, DI
Executed: 1982-03-05
Assignee
MAGNETIC PERIPHERALS INC. C/O CONTROL DATA CORPORATION, A CORP. OF DE
8100-34TH AVE.,, SOUTH MINNEAPOLIS,, MINNESOTA, 55440
Covered Property
(1)
Moving Diffration Grating for an Information Track Centering System for Optical Recording
Patent:
4,462,095 →
Application:
06/359,641 →
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.
To: NEW MPI INC., 8100 34TH AVE., SO., MINNEAPOLIS, MN 55440 A DE CORP.
Reel/Frame 004171/0005 →
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 14, 1989
From: ADAM, ROLF; AICHERT, HANS; BETZ, HANS
To: LEYBOLD AKTIENGESELLSCHAFT
Reel/Frame 005169/0694 →
Assignment of Assignors Interest.
Apr 3, 1991
From: CONTROL DATA CORPORATION
To: NORTH AMERICAN PHILIPS CORPORATION, A CORP. OF DE
Reel/Frame 005652/0951 →