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Projection toy
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Patent number 11,768,426
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Issue date Sep 26, 2023
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Bingling Chen
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Projecting flashlight
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Patent number 5,321,449
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Issue date Jun 14, 1994
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Mario Coccoli
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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-
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Film projector toy
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Patent number 4,756,614
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Issue date Jul 12, 1988
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Tomy Kogyo Co., Inc.
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Yuji Kato
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Projected device
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Patent number 4,741,614
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Issue date May 3, 1988
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Friedrich-Josef Sacher
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Stereoscopic viewer
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Patent number 4,726,653
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Issue date Feb 23, 1988
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View-Master Ideal Group, Inc.
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Martin Thaler
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G02 - OPTICS
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Projection apparatus
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Patent number 4,627,696
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Issue date Dec 9, 1986
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Friedrich-Josef Sacher
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Disk film projector
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Patent number 4,571,042
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Issue date Feb 18, 1986
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Fuji Photo Film Co., Ltd.
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Yoshiaki Nakayama
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Slide viewing apparatus
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Patent number 4,218,118
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Issue date Aug 19, 1980
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Visual Sales Corporation
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James E. Orr
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Map reading apparatus
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Patent number 4,029,408
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Issue date Jun 14, 1977
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David R. Overby
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Mixed slide separator
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Patent number 4,018,521
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Issue date Apr 19, 1977
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Bell & Howell Company
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Nicholas Mischenko
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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-
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Map displays
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Patent number 3,945,720
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Issue date Mar 23, 1976
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Elliott Brothers (London) Limited
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Stafford Malcolm Ellis
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3926514
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Patent number 3,926,514
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Issue date Dec 16, 1975
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3873194
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Patent number 3,873,194
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Issue date Mar 25, 1975
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY