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Elmont E. Hollingsworth

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  • St. Paul, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Graphic forming device with toggle clamped lamp arm
    • Patent number 4,291,957
    • Issue date Sep 29, 1981
    • Minnesota Mining and Manufacturing Company
    • Elmont E. Hollingsworth
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Device for forming graphics
    • Patent number 4,266,863
    • Issue date May 12, 1981
    • Minnesota Mining and Manufacturing Company
    • Elmont E. Hollingsworth
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY