Patents by Inventor Stanley R. Patrick

Stanley R. Patrick 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).

  • Patent number: 4027986
    Abstract: A herbicide applicator for applying herbicide by direct contact with unwanted woody-type vegetation. The applicator includes a long hollow tube having a flared bell housing mounted at one end for holding sponge-type material, and an applicator pad covering the end of said housing. Control means for the flow of herbicide are provided by an internal orifice plate on the inner end of the bell housing and in contact with the sponge material, and an adjustable threaded plug at the other end of the tube for controlling air and vacuum within the tube.
    Type: Grant
    Filed: October 23, 1975
    Date of Patent: June 7, 1977
    Inventor: Stanley R. Patrick