Patent Assignment
Reel/Frame 005652/0951
Assignment of Assignors Interest.
Recorded: 1991-04-03
Pages: 4
Assignor
CONTROL DATA CORPORATION
Executed: 1991-03-23
Covered Properties
(9)
Focus Initialization System for Optical Recording
Patent:
4,446,546 →
Application:
06/336,245 →
Partial Beam Focus Sensing in an Optical Recording System
Patent:
4,441,175 →
Application:
06/342,459 →
Moving Diffration Grating for an Information Track Centering System for Optical Recording
Patent:
4,462,095 →
Application:
06/359,641 →
On-Axis Achromatic Quarterwave Retarder Prism
Patent:
4,514,047 →
Application:
06/433,933 →
Two Axis Linear Motor for Optical Focusing and Tracking System in Optical Recording
Patent:
4,587,466 →
Application:
06/448,130 →
Head Positioning Servo System for Optical Recording with Coarse and Fine Control
Patent:
4,627,039 →
Application:
06/564,656 →
Equipment Module
Patent:
4,523,254 →
Application:
06/566,470 →
Switching Laser Beam Apparatus with Recombined Beam for Recording
Patent:
4,670,869 →
Application:
06/567,610 →
Modulation System for Optical Recording
Patent:
32,937 →
Application:
06/878,866 →
Related Assignments
(21)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Dec 31, 1981
From: MILLER, CHRISTOPHER
To: MAGNETIC PERIPHERALS, INC., A CORP. OF DE.
Reel/Frame 003972/0435 →
Assignment of Assignors Interest.
Jan 25, 1982
From: SHUMAN, CURTIS A.
To: MAGNETIC PERIPHERALS INC., C/O CONTROL DATA CORPORATION
Reel/Frame 003966/0188 →
Assignment of Assignors Interest.
Mar 19, 1982
From: CHEN, DI
To: MAGNETIC PERIPHERALS INC. C/O CONTROL DATA CORPORATION, A CORP. OF DE
Reel/Frame 003980/0227 →
Assignment of Assignors Interest.
Oct 12, 1982
From: HASKAL, HAIM M.; BRIONES, ROBERT A.
To: MAGNETICS PERIPHERALS INC.
Reel/Frame 004070/0342 →
Assignment of Assignors Interest.
Dec 9, 1982
From: BERG, THOMAS E.; POLLARD, CHRISTOPHER A.
To: MAGNETIC PERIPHERALS INC.; C/O CONTROL DATA CORPORATION
Reel/Frame 004076/0493 →
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 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 →
Assignment of Assignors Interest.
Aug 19, 1983
From: MAGNETIC PERIPERALS INC.
To: NEW MPI, INC., 8100 34TH AVE., SOUTH MINNEAPOLIS, MN 55440 A CORP. OF DE
Reel/Frame 004170/0992 →
Assignment of Assignors Interest.
Aug 19, 1983
From: MAGNETIC PERIPHERALS INC.
To: NEW MPI, INC., 8100 34TH AVE., SOUTH, MINNEAPOLIS, MN 55440 A DE CORP.
Reel/Frame 004170/0998 →
Assignment of Assignors Interest.
Aug 19, 1983
From: MAGNETIC PERIPHERALS INC.
To: NEW MPI, INC., 8100 34TH AVE. SOUTH, MINNEAPOLIS, MN 55440 A DE CORP.
Reel/Frame 004171/0001 →
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 →
Assignment of Assignors Interest.
Dec 23, 1983
From: MEYER, RUSSELL A.
To: MAGNETIC PERIPHERALS INC. C/O CONTROL DATA CORPORATION
Reel/Frame 004212/0769 →
Assignment of Assignors Interest.
Dec 28, 1983
From: KONSHAK, MICHAEL V.
To: MAGNETIC PERIPHERALS INC., C/O CONTROL DATA CORPORATION
Reel/Frame 004214/0130 →
Assignment of Assignors Interest.
Jan 3, 1984
From: CHEN, DI
To: MAGNETIC PERIPHERALS INC CONTROL DATA CORPORATION
Reel/Frame 004217/0977 →
Assignment of Assignors Interest.
Aug 2, 1989
From: MAGNETIC PERIPHERALS INC.
To: CONTROL DATA CORPORATION
Reel/Frame 005208/0318 →
Assignment of Assignors Interest.
Aug 14, 1989
From: ADAM, ROLF; AICHERT, HANS; BETZ, HANS
To: LEYBOLD AKTIENGESELLSCHAFT
Reel/Frame 005169/0694 →
Assignment of Assignor's Interest
Aug 10, 2020
From: GEIBEL, MARTIN
To: ELSNER PAC JUNGPFLANZEN GBR
Reel/Frame 053451/0756 →
Assignment of Assignor's Interest
Sep 14, 2021
From: GEIBEL, MARTIN
To: ELSNER PAC JUNGPFLANZEN GBR
Reel/Frame 057479/0633 →
Assignment of Assignor's Interest
Sep 14, 2021
From: GEIBEL, MARTIN
To: ELSNER PAC JUNGPFLANZEN GBR
Reel/Frame 057480/0178 →
Assignment of Assignor's Interest
Sep 14, 2021
From: GEIBEL, MARTIN
To: ELSNER PAC JUNGPFLANZEN GBR
Reel/Frame 057480/0469 →
Assignment of Assignor's Interest
Sep 14, 2021
From: GEIBEL, MARTIN
To: ELSNER PAC JUNGPFLANZEN GBR
Reel/Frame 057480/0847 →