Patents by Inventor Robert W. Sigler

Robert W. Sigler 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).

  • Trash bag holding frame
    Patent number: 5518212
    Abstract: A frame for holding the mouth of a flexible bag in an open configuration. The inventive device includes a hoop having a pair of lateral arms pivotally mounted thereto. The lateral arms each comprise a curved length of tubing having a semi-cylindrical cross section engagable over the hoop to capture the mouth of the bag between the arms and the hoop.
    Type: Grant
    Filed: September 29, 1994
    Date of Patent: May 21, 1996
    Inventor: Robert W. Sigler