Patents Assigned to National Manufacturing & Supply Corporation
  • Portable drain cleaning apparatus
    Patent number: 4916772
    Abstract: A portable drain cleaning apparatus comprising a payout drum supporting a coil spring snake wound therein and supported for rotation on a support frame, the payout drum being detachable and replaceable with similar drums supporting different sized and configured snakes.
    Type: Grant
    Filed: October 12, 1988
    Date of Patent: April 17, 1990
    Assignee: National Manufacturing & Supply Corporation
    Inventors: V. L. Russell, Kerry Cannon
  • Portable rotating drain cleaner
    Patent number: D312900
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: December 11, 1990
    Assignee: National Manufacturing & Supply Corporation
    Inventors: V. Lee Russell, Kerry Cannon