Patents Represented by Attorney, Agent or Law Firm Donald C. Casey
  • Patent number: 4765003
    Abstract: A portable hands-free wash stand characterized by upper and lower foot pedals on its ladder-shaped bottom block for controlling water pump to pump up clean water to feed pipe for wash, and comprising a control switch for the selection of warm water and cool water, wherein waste water is collected in waste water storage tank; a low water level indicating lamp turns on when clean water of clean water storage tank been used up so as to advise people to move the present wash stand to a specific location for filling clean water and draining off waste water.
    Type: Grant
    Filed: August 5, 1987
    Date of Patent: August 23, 1988
    Inventor: Chen-Hsiung Chang