Patents Assigned to Aqua Meter Instrument Corporation
  • Depth sounder
    Patent number: D286384
    Type: Grant
    Filed: August 15, 1984
    Date of Patent: October 28, 1986
    Assignee: Aqua Meter Instrument Corporation
    Inventor: Henry G. Grilk
  • Carbon monoxide detector
    Patent number: D308646
    Type: Grant
    Filed: January 8, 1987
    Date of Patent: June 19, 1990
    Assignee: Aqua Meter Instrument Corporation
    Inventor: Henry G. Grilk