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Sigurd A. Johnson

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  • Glendora, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Index guide means for a filing system
    • Patent number 4,303,284
    • Issue date Dec 1, 1981
    • Plan Hold Corporation
    • Sigurd A. Johnson
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Vertical filing system
    • Patent number 4,155,607
    • Issue date May 22, 1979
    • Plan Hold Corporation
    • Richard W. Sitler
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER