TREA

whereby the picture is not returned to the same stock after projection

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  • CPC
  • G03B23/042
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GPHYSICS G03Photography G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES ACCESSORIES THEREFOR G03B23/00Devices for changing pictures in viewing apparatus or projectors

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G03B23/042whereby the picture is not returned to the same stock after projection
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Indoor-outdoor projector
    • Patent number 9,395,608
    • Issue date Jul 19, 2016
    • Gemmy Industries Corporation
    • Cheng-Chun Zhang
    • F21 - LIGHTING
  • Information Patent Grant

    Fixed image projecting apparatus
    • Patent number 6,402,326
    • Issue date Jun 11, 2002
    • Daniel Bortz
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Manually-operated tray assembly for dispensing and receiving overhe...
    • Patent number 5,475,453
    • Issue date Dec 12, 1995
    • Patrick MacCarthy
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Manual cassette system for overhead projection transparencies
    • Patent number 5,365,289
    • Issue date Nov 15, 1994
    • Steven A. Zilber
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film slide feeder
    • Patent number 5,233,376
    • Issue date Aug 3, 1993
    • Stanislav Maron
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Manual cassette system for overhead projection transparencies
    • Patent number 5,198,846
    • Issue date Mar 30, 1993
    • Steven A. Zilber
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Sheet feeding process
    • Patent number 4,932,644
    • Issue date Jun 12, 1990
    • The Mead Corporation
    • Paul F. Nzei
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Slide magazine for a slide projector having a picture changing devi...
    • Patent number 4,671,633
    • Issue date Jun 9, 1987
    • Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
    • Ernst Pobenberger
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Slide projector with stationary slide magazines and automatic slide...
    • Patent number 4,368,964
    • Issue date Jan 18, 1983
    • Victor Hassel Blad Aktiebilag
    • Ulf R. Carlson
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Transparency cassette and viewer or projector
    • Patent number 4,229,084
    • Issue date Oct 21, 1980
    • Tadashi Goto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projector
    • Patent number 4,200,367
    • Issue date Apr 29, 1980
    • Polaroid Corporation
    • Lawrence M. Douglas
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Bowed slide handling apparatus
    • Patent number 4,174,158
    • Issue date Nov 13, 1979
    • Bell & Howell Company
    • Frank W. Betlejewski
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3904287
    • Patent number 3,904,287
    • Issue date Sep 9, 1975
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3797144
    • Patent number 3,797,144
    • Issue date Mar 19, 1974
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3779423
    • Patent number 3,779,423
    • Issue date Dec 18, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3598483
    • Patent number 3,598,483
    • Issue date Aug 10, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3542464
    • Patent number 3,542,464
    • Issue date Nov 24, 1970
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3453044
    • Patent number 3,453,044
    • Issue date Jul 1, 1969
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3416249
    • Patent number 3,416,249
    • Issue date Dec 17, 1968
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3394476
    • Patent number 3,394,476
    • Issue date Jul 30, 1968
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3394477
    • Patent number 3,394,477
    • Issue date Jul 30, 1968
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3352205
    • Patent number 3,352,205
    • Issue date Nov 14, 1967
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3308718
    • Patent number 3,308,718
    • Issue date Mar 14, 1967
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3299554
    • Patent number 3,299,554
    • Issue date Jan 24, 1967
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3284937
    • Patent number 3,284,937
    • Issue date Nov 15, 1966
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3110217
    • Patent number 3,110,217
    • Issue date Nov 12, 1963
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3038270
    • Patent number 3,038,270
    • Issue date Jun 12, 1962
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3000258
    • Patent number 3,000,258
    • Issue date Sep 19, 1961
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2922335
    • Patent number 2,922,335
    • Issue date Jan 26, 1960
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2904914
    • Patent number 2,904,914
    • Issue date Sep 22, 1959
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY