Patents Assigned to Aquanaut, Inc.
  • Underwater pool cleaning apparatus
    Patent number: D304505
    Type: Grant
    Filed: October 2, 1986
    Date of Patent: November 7, 1989
    Assignee: Aquanaut, Inc.
    Inventors: Robert W. Maier, Charles J. Patterson, Deiter Rief, John Gard, Herman E. Frentzel