Single layer structure

Patents Grantslast 30 patents

  • Information Patent Grant

    Protected document and method of making same

    • Patent number 4,265,469
    • Issue date May 5, 1981
    • Burroughs Corporation
    • William H. Mowry
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    3762081

    • Patent number 3,762,081
    • Issue date Oct 2, 1973
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    3512286

    • Patent number 3,512,286
    • Issue date May 19, 1970
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    1696808

    • Patent number 1,696,808
    • Issue date Dec 25, 1928
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    1555799

    • Patent number 1,555,799
    • Issue date Sep 29, 1925
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER