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Hologram memory apparatus
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Patent number 4,012,108
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Issue date Mar 15, 1977
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Nippon Telegraph and Telephone Public Corporation
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Akira Ishii
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Holographic storage device
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Patent number 4,005,394
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Issue date Jan 25, 1977
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Siemens Aktiengesellschaft
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Horst Kiemle
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G11 - INFORMATION STORAGE
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Holographic storage device
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Patent number 4,001,791
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Issue date Jan 4, 1977
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Siemens Aktiengesellschaft
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Horst Kiemle
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G11 - INFORMATION STORAGE
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Thermoplastic image recording system
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Patent number 3,965,461
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Issue date Jun 22, 1976
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McDonnell Douglas Corporation
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John E. Wreede
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3917380
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Patent number 3,917,380
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Issue date Nov 4, 1975
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3887906
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Patent number 3,887,906
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Issue date Jun 3, 1975
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G11 - INFORMATION STORAGE
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3878515
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Patent number 3,878,515
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Issue date Apr 15, 1975
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G11 - INFORMATION STORAGE
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3866187
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Patent number 3,866,187
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Issue date Feb 11, 1975
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G11 - INFORMATION STORAGE
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3849766
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Patent number 3,849,766
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Issue date Nov 19, 1974
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G06 - COMPUTING CALCULATING COUNTING
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3838403
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Patent number 3,838,403
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Issue date Sep 24, 1974
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G11 - INFORMATION STORAGE
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3678472
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Patent number 3,678,472
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Issue date Jul 18, 1972
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G11 - INFORMATION STORAGE
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3618049
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Patent number 3,618,049
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Issue date Nov 2, 1971
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G11 - INFORMATION STORAGE
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3547509
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Patent number 3,547,509
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Issue date Dec 15, 1970
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3530442
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Patent number 3,530,442
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Issue date Sep 22, 1970
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G02 - OPTICS