Patents Represented by Law Firm Madson & Mercalf
  • Patent number: 6042713
    Abstract: A device and method for removing metal or mineral deposits from surfaces (eg. surfaces of oil drilling equipment) by creating an electrochemical cell of which the contaminated surface is a part.
    Type: Grant
    Filed: April 1, 1998
    Date of Patent: March 28, 2000
    Inventor: Richard Keatch