including adjustable means to vary gear speed

Patents Grantslast 30 patents

  • Information Patent Grant

    2459075

    • Patent number 2,459,075
    • Issue date Jan 11, 1949
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2337274

    • Patent number 2,337,274
    • Issue date Dec 21, 1943
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    1100747

    • Patent number 1,100,747
    • Issue date Jun 23, 1914
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR