the skips being hoisted along vertical or inclined guides

Patents Grantslast 30 patents

  • Information Patent Grant

    Mixing apparatus for concrete or other bulk material

    • Patent number 4,191,478
    • Issue date Mar 4, 1980
    • Viktor Zupancic
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Antibiotics and their preparation

    • Patent number 3,997,662
    • Issue date Dec 14, 1976
    • Rhone-Poulenc S. A.
    • Sylvie Pinnert
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3506246

    • Patent number 3,506,246
    • Issue date Apr 14, 1970
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3062514

    • Patent number 3,062,514
    • Issue date Nov 6, 1962
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents