made of stone

Patents Grantslast 30 patents

  • Information Patent Grant

    Member with concave portion and method for manufacturing same

    • Patent number 9,090,052
    • Issue date Jul 28, 2015
    • Think Laboratory Co., Ltd.
    • Tatsuo Shigeta
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3549438

    • Patent number 3,549,438
    • Issue date Dec 22, 1970
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents