Patents Examined by T. B. Will
  • Pool thermometer
    Patent number: 4738549
    Abstract: A thermometer adapted for immersion in a liquid includes a monolithic casing matrix. A plurality of liquid crystal display portions are embedded in the casing matrix. The liquid crystal display portions each have a liquid crystal agent with an optically perceivable condition at a temperature or temperature range. Indicia of the temperature or temperature ranges can also be provided.
    Type: Grant
    Filed: April 3, 1986
    Date of Patent: April 19, 1988
    Inventor: R. Gregory Plimpton