about a fixed axis

Patents Grantslast 30 patents

  • Information Patent Grant

    2498117

    • Patent number 2,498,117
    • Issue date Feb 21, 1950
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1783532

    • Patent number 1,783,532
    • Issue date Dec 2, 1930
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1775983

    • Patent number 1,775,983
    • Issue date Sep 16, 1930
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1711510

    • Patent number 1,711,510
    • Issue date May 7, 1929
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1589529

    • Patent number 1,589,529
    • Issue date Jun 22, 1926
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents