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Patents Grantslast 30 patents

  • Information Patent Grant

    Equipment and method for manufacturing honeycomb structural body

    • Patent number 7,097,798
    • Issue date Aug 29, 2006
    • NGK Insulators, Ltd.
    • Takeyuki Ishii
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Equipment and method for manufacturing honeycomb structural body

    • Patent number 6,994,816
    • Issue date Feb 7, 2006
    • NGK Insulators, Ltd.
    • Takeyuki Ishii
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3310855

    • Patent number 3,310,855
    • Issue date Mar 28, 1967
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2261114

    • Patent number 2,261,114
    • Issue date Nov 4, 1941
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2069948

    • Patent number 2,069,948
    • Issue date Feb 9, 1937
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2069947

    • Patent number 2,069,947
    • Issue date Feb 9, 1937
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1981257

    • Patent number 1,981,257
    • Issue date Nov 20, 1934
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1880872

    • Patent number 1,880,872
    • Issue date Oct 4, 1932
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1446330

    • Patent number 1,446,330
    • Issue date Feb 20, 1923
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1400473

    • Patent number 1,400,473
    • Issue date Dec 13, 1921
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    364826

    • Patent number 364,826
    • Issue date Jun 14, 1887
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents