the pictures being attached to a chain or linked up to form a chain

Patents Grantslast 30 patents

  • Information Patent Grant

    Volumetric film display systems

    • Patent number 9,223,143
    • Issue date Dec 29, 2015
    • Colin McGinn
    • G02 - OPTICS
  • Information Patent Grant

    Overhead projector

    • Patent number 5,467,152
    • Issue date Nov 14, 1995
    • James S. Wilson
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Slide projector system

    • Patent number 4,865,442
    • Issue date Sep 12, 1989
    • George Steiner
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method for presentation of information of a plurality of sheetshape...

    • Patent number 4,715,705
    • Issue date Dec 29, 1987
    • Ingenjorsfirma B Nord AB
    • Bert Nord
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Transparency transport system for overhead projector

    • Patent number 4,707,092
    • Issue date Nov 17, 1987
    • D. O. Industries, Inc.
    • Marvin I. Mindell
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projection apparatus for photographic transparencies and a device a...

    • Patent number 4,650,303
    • Issue date Mar 17, 1987
    • Bohdan Drwiega
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Slide projector system

    • Patent number 4,586,797
    • Issue date May 6, 1986
    • Stephen M. Sherer
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Arrangement for the viewing projection of framed slides

    • Patent number 4,456,350
    • Issue date Jun 26, 1984
    • Bohdan Drwiega
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Track-type slide projector magazine

    • Patent number 4,165,162
    • Issue date Aug 21, 1979
    • Gerald J. Frey
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Flexible magazine slide projector with movable lens

    • Patent number 4,094,599
    • Issue date Jun 13, 1978
    • Gerald J. Frey
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Arrangement and method for the storage of lantern slides and projec...

    • Patent number 4,076,401
    • Issue date Feb 28, 1978
    • Bohdan Drwiega
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Slide projectors

    • Patent number 3,990,790
    • Issue date Nov 9, 1976
    • Hanimex Pty. Limited
    • Robert Edward Styles
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3905694

    • Patent number 3,905,694
    • Issue date Sep 16, 1975
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3860326

    • Patent number 3,860,326
    • Issue date Jan 14, 1975
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3840973

    • Patent number 3,840,973
    • Issue date Oct 15, 1974
    • G02 - OPTICS
  • Information Patent Grant

    3820886

    • Patent number 3,820,886
    • Issue date Jun 28, 1974
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3799665

    • Patent number 3,799,665
    • Issue date Mar 26, 1974
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3771865

    • Patent number 3,771,865
    • Issue date Nov 13, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3729254

    • Patent number 3,729,254
    • Issue date Apr 24, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3632195

    • Patent number 3,632,195
    • Issue date Jan 4, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3632200

    • Patent number 3,632,200
    • Issue date Jan 4, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3632199

    • Patent number 3,632,199
    • Issue date Jan 4, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3624873

    • Patent number 3,624,873
    • Issue date Dec 7, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3388489

    • Patent number 3,388,489
    • Issue date Jun 18, 1968
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3292285

    • Patent number 3,292,285
    • Issue date Dec 20, 1966
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2823472

    • Patent number 2,823,472
    • Issue date Feb 18, 1958
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2720137

    • Patent number 2,720,137
    • Issue date Oct 11, 1955
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2704486

    • Patent number 2,704,486
    • Issue date Mar 22, 1955
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2669157

    • Patent number 2,669,157
    • Issue date Feb 16, 1954
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2586176

    • Patent number 2,586,176
    • Issue date Feb 19, 1952
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    APPARATUS FOR PROJECTING IMAGES IN SEQUENCE

    • Publication number 20100238409
    • Publication date Sep 23, 2010
    • COEMAR S.P.A.
    • Fabio Allegri
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    APPARATUS FOR PROJECTING IMAGES IN SEQUENCE

    • Publication number 20100231859
    • Publication date Sep 16, 2010
    • COEMAR S.P.A.
    • Fabio Allegri
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    ROLE PLAYING PROJECTOR TOY

    • Publication number 20080174737
    • Publication date Jul 24, 2008
    • Laura ZEBERSKY
    • A63 - SPORTS GAMES AMUSEMENTS