Patents by Inventor Glenn F. Larson

Glenn F. Larson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electrical sensor for measuring moisture in landscape and agricultural soils
    Patent number: 4531087
    Abstract: An improved electrical conductance soil moisture sensor for landscape and agriculture comprising electrodes imbedded in a granular medium that is separated from the soil to be measured by a layer of filter cloth supported by a plastic or metal screen.
    Type: Grant
    Filed: June 9, 1982
    Date of Patent: July 23, 1985
    Inventor: Glenn F. Larson