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Norman S. Blessum
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Thousand Oaks, CA, US
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last 30 patents
Information
Patent Grant
Detection and amplification circuit
Patent number
4,688,119
Issue date
Aug 18, 1987
Xebec Development Partners, Ltd.
Norman S. Blessum
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Information
Patent Grant
Spiral recording and associated system
Patent number
4,502,082
Issue date
Feb 26, 1985
Burroughs Corporation
Herbert U. Ragle
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Information
Patent Grant
Dual-track spiral recording and associated system
Patent number
4,419,700
Issue date
Dec 6, 1983
Burroughs Corporation
Herbert U. Ragle
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Information
Patent Grant
Pneumatic commutator for end-wise partitioning
Patent number
4,327,386
Issue date
Apr 27, 1982
Burroughs Corporation
Dean DeMoss
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Information
Patent Grant
Di-gap, variable-frequency recording technique and associated system
Patent number
4,209,810
Issue date
Jun 24, 1980
Burroughs Corporation
Herbert U. Ragle
G11 - INFORMATION STORAGE
Information
Patent Grant
Track-on-data technique and associated system involving di-bit reco...
Patent number
4,166,282
Issue date
Aug 28, 1979
Burroughs Corporation
Herbert U. Ragle
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Information
Patent Grant
Transducer positioning system
Patent number
4,149,198
Issue date
Apr 10, 1979
Burroughs Corporation
Michael I. Behr
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Information
Patent Grant
Di-bit recording technique and associated system
Patent number
4,148,080
Issue date
Apr 3, 1979
Burroughs Corporation
Herbert U. Ragle
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Information
Patent Grant
Track positioning system for magnetic transducer head
Patent number
4,007,493
Issue date
Feb 8, 1977
Burroughs Corporation
Michael Isaac Behr
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