adapted for operation by a part of the human body other than the hand

Patents Grantslast 30 patents

  • Information Patent Grant

    Sliding foot controller

    • Patent number 4,939,501
    • Issue date Jul 3, 1990
    • Robert P. Weil
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2113700

    • Patent number 2,113,700
    • Issue date Apr 12, 1938
    • H01 - BASIC ELECTRIC ELEMENTS