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Tape drive system
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Patent number 5,526,197
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Issue date Jun 11, 1996
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Hightree Media Corporation
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Alfred M. Nelson
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G11 - INFORMATION STORAGE
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Tape duplicating system
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Patent number 5,523,897
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Issue date Jun 4, 1996
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Hightree Media Corporation
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Alfred M. Nelson
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G11 - INFORMATION STORAGE
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Servo system
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Patent number 5,513,817
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Issue date May 7, 1996
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Hightree Media Corporation
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Alfred M. Nelson
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G11 - INFORMATION STORAGE
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Tape duplicating system
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Patent number 5,479,300
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Issue date Dec 26, 1995
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Hightree Media Corporation
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Alfred M. Nelson
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G11 - INFORMATION STORAGE
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Tape duplicating system
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Patent number 5,475,538
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Issue date Dec 12, 1995
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Hightree Media Corporation
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Alfred M. Nelson
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G11 - INFORMATION STORAGE
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Servo system
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Patent number 5,392,976
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Issue date Feb 28, 1995
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Hightree Media Corporation
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Alfred M. Nelson
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G11 - INFORMATION STORAGE
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Magnetic recording heads
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Patent number 4,415,906
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Issue date Nov 15, 1983
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Wang Laboratories, Inc.
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Houshang Rasekhi
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Magnetizing apparatus
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Patent number 4,399,422
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Issue date Aug 16, 1983
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Wang Laboratories, Inc.
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Alfred M. Nelson
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G11 - INFORMATION STORAGE
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Toner applicator apparatus
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Patent number 4,265,196
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Issue date May 5, 1981
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AM International, Inc.
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Alfred M. Nelson
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Toner transfer system
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Patent number 4,175,265
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Issue date Nov 20, 1979
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AM International, Inc.
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Alfred M. Nelson
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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