Producing cylindrical lenses

Patents Grantslast 30 patents

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    • Issue date Jun 22, 2021
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    Method of making a flexible lens

    • Patent number 5,932,151
    • Issue date Aug 3, 1999
    • Imation Corp.
    • Paul C. Schubert
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    Press polymerization of lenticular images

    • Patent number 5,554,432
    • Issue date Sep 10, 1996
    • The Phscologram Venture, Inc.
    • Ellen R. Sandor
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    Microlens array

    • Patent number 5,453,876
    • Issue date Sep 26, 1995
    • Sharp Kabushiki Kaisha
    • Hiroshi Hamada
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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    Press polymerization of lenticular images

    • Patent number 5,330,799
    • Issue date Jul 19, 1994
    • The Phscologram Venture, Inc.
    • Ellen R. Sandor
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process for producing optical element

    • Patent number 4,985,186
    • Issue date Jan 15, 1991
    • Canon Kabushiki Kaisha
    • Noriyuki Nose
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3903218

    • Patent number 3,903,218
    • Issue date Sep 2, 1975
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3830460

    • Patent number 3,830,460
    • Issue date Aug 20, 1974
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3751138

    • Patent number 3,751,138
    • Issue date Aug 7, 1973
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents