Patents by Inventor John Bohrer

John Bohrer 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 stiff game board
    Patent number: 5388838
    Abstract: This invention provides an inexpensive, easy to manufacture, stiff, two-axis collapsible, repeatably markable/erasable, lightweight game board. The game board is comprised of segments loosely attached to one or more fasteners. Upon expansion said segments interlock and maintain the game board shape.
    Type: Grant
    Filed: May 23, 1994
    Date of Patent: February 14, 1995
    Inventor: John Bohrer