Patents by Inventor Jonathan A. Buff

Jonathan A. Buff 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).

  • Stand for flexible bags
    Patent number: 5163569
    Abstract: A collapsible support structure for receiving flexible grocery bags. The structure includes a locking mechanism which positively locks it in the open position and which semi-locks it in the closed position. The entire structure is composed of only two sizes of plastic panels.
    Type: Grant
    Filed: March 22, 1990
    Date of Patent: November 17, 1992
    Inventor: Jonathan A. Buff