for thin material

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of forming plastic envelopes

    • Patent number 4,497,679
    • Issue date Feb 5, 1985
    • Charles T. Hathaway
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    3630114

    • Patent number 3,630,114
    • Issue date Dec 28, 1971
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    2026754

    • Patent number 2,026,754
    • Issue date Jan 7, 1936
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents