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Image positioning apparatus
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Patent number 4,380,776
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Issue date Apr 19, 1983
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Computer Microfilm International Corporation
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David L. Smith
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G06 - COMPUTING CALCULATING COUNTING
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Microfilm display apparatus
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Patent number 4,271,430
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Issue date Jun 2, 1981
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Computer Microfilm International Corporation
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Gerald E. O'Brien
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G06 - COMPUTING CALCULATING COUNTING
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Film card with reference frame
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Patent number 4,225,217
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Issue date Sep 30, 1980
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Computer Microfilm International Corporation
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David L. Smith
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G06 - COMPUTING CALCULATING COUNTING
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Card selector device
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Patent number 4,223,212
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Issue date Sep 16, 1980
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Computer Microfilm International Corporation
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David L. Smith
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G06 - COMPUTING CALCULATING COUNTING
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Card retrieval device
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Patent number 4,190,899
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Issue date Feb 26, 1980
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Computer Microfilm International Corporation
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Dwight H. Smith
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G06 - COMPUTING CALCULATING COUNTING