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Otto R. Butsch
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Ann Arbor, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Integrated disc and tape recorder drive unit
Patent number
D270348
Issue date
Aug 30, 1983
Irwin International, Inc.
Samuel N. Irwin
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Combined disc and tape drive
Patent number
D270055
Issue date
Aug 9, 1983
Irwin International, Inc.
Samuel N. Irwin
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Head positioner for disc recorders
Patent number
4,133,015
Issue date
Jan 2, 1979
Sycor, Inc.
Otto R. Butsch
G11 - INFORMATION STORAGE
Information
Patent Grant
Drive spindle assembly for disc file
Patent number
4,101,945
Issue date
Jul 18, 1978
Sycor, Inc.
Otto R. Butsch
G11 - INFORMATION STORAGE
Information
Patent Grant
Lead screw support for a disc recorder
Patent number
4,096,537
Issue date
Jun 20, 1978
Sycor, Inc.
Otto R. Butsch
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc file assembly
Patent number
4,092,687
Issue date
May 30, 1978
Sycor, Inc.
Otto R. Butsch
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc recorder drive follower assembly
Patent number
4,071,866
Issue date
Jan 31, 1978
Sycor, Inc.
Otto R. Butsch
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc receiver interlock for disc recorders
Patent number
3,973,272
Issue date
Aug 3, 1976
Sycor, Inc.
Samuel A. Morgan
G11 - INFORMATION STORAGE