Patents by Inventor Robert W. Nadratowski

Robert W. Nadratowski 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: 4078838
    Abstract: An implement for picking up dog's feces in a sanitary manner so to be disposed; the implement including a disposable plastic bag loosely fitted around a lower end of a tube and being attached to a plunger inside the tube so that when the plunger is upwardly pulled in the tube, the bag rolls around the tube lower end and into the tube, taking with it any feces that is contacted by the moving bag so that the feces is thus enclosed inside the bag which is then discarded into any convenient refuse receptacle.
    Type: Grant
    Filed: January 24, 1977
    Date of Patent: March 14, 1978
    Inventor: Robert W. Nadratowski