Patents by Inventor Dennis P. McHugh

Dennis P. McHugh 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: 4223478
    Abstract: The agricultural chemical applicator of the present invention comprises a roller frame assembly having folding wing sections at opposite ends thereof. Rollers are mounted on each of the frames and include a liquid absorbing material which receives an agricultural chemical from a dispensing conduit located above the roller. A wiper engages the roller to prevent excess liquid from dripping off of the roller. The rollers are connected for driving engagement by interlocking lugs at the ends of the rollers adjacent the hinged joints of the roller wings.
    Type: Grant
    Filed: May 4, 1979
    Date of Patent: September 23, 1980
    Inventor: Dennis P. McHugh