Patents by Inventor Stanley G. Guinn

Stanley G. Guinn 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).

  • Door latching apparatus actuated by cleansing agent sensor
    Patent number: 3967478
    Abstract: An apparatus for unlatching a door to a hygienic area actuated by sensor electrodes in contact with the electrolytic residue of a cleansing agent upon the hand or limb of a person desiring access to the hygienic area.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: July 6, 1976
    Inventor: Stanley G. Guinn