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75547590 - SHA
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Serial number 75547590
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Filing date Sep 3, 1998
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OIS Optical Imaging Systems, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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75540326 - DSD
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Serial number 75540326
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Filing date Aug 21, 1998
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OIS Optical Imaging Systems, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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75421881 - SUPER HIGH APERTURE
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Serial number 75421881
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Filing date Jan 15, 1998
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OIS Optical Imaging Systems, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments