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Spyhole viewer
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Patent number 5,550,673
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Issue date Aug 27, 1996
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Pinchas Goldstein
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Binocular
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Patent number 5,526,178
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Issue date Jun 11, 1996
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Front-Row Products Inc.
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Pinchas Goldstein
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G02 - OPTICS
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Spyhole viewer
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Patent number 5,357,367
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Issue date Oct 18, 1994
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Pinchas Goldstein
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Binocular telescope
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Patent number 5,282,086
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Issue date Jan 25, 1994
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Front-Row Products Inc.
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Pinchas Goldstein
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G02 - OPTICS
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