Patents by Inventor Doris J. Wirt

Doris J. Wirt 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).

  • Collapsible bingo sheet and marker retainer
    Patent number: 4502658
    Abstract: A combined sheet and marker holder for carrying, in a folded condition; and, easily opened for playing bingo, in an unfolded condition. The legs are positioned so as to give the support proper elevation for viewing the sheet(s) while playing bingo; and, similarly, the clip means retain the sheet(s) during play. Combined handle and latch means retain the support in a folded condition for carrying, or for storage.
    Type: Grant
    Filed: April 11, 1983
    Date of Patent: March 5, 1985
    Inventors: Buddy C. Wirt, Doris J. Wirt