Patents by Inventor Owen W. Lafferty

Owen W. Lafferty 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: 5799993
    Abstract: A refuse collecting device which removably secures a disposable handle-equipped sack includes a scoop of rectangular box-like configuration having front and rear openings, and structure for engaging the handles of the sack. An elongated manipulating staff is pivotably secured to the scoop in a manner such that, when the device is lifted, the scoop automatically swings by gravity effect, causing the front opening to become upwardly directed.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: September 1, 1998
    Inventor: Owen W. Lafferty