Constructions of rubbing leathers

Patents Grantslast 30 patents

  • Information Patent Grant

    3654813

    • Patent number 3,654,813
    • Issue date Apr 11, 1972
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    2621375

    • Patent number 2,621,375
    • Issue date Dec 16, 1952
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    2520192

    • Patent number 2,520,192
    • Issue date Aug 29, 1950
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING