Patents by Inventor John B. Deemer

John B. Deemer 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).

  • Cart and ladder combination
    Patent number: 6860364
    Abstract: A cart and ladder combination includes a plurality of bars such that a first bar and a second bar are defined. A first coupler is adapted for releasably coupling the first and second bars together in a spaced relationship to each other. A second coupler is adapted for releasably coupling the first and second bars together in a spaced relationship to each other. A wheel assembly is removably attached to the first ends of the first and second bars. A cord member is selectively strung between the first and second bars. The second end of the first bar may be selectively attached to the first end of the second bar to form a ladder.
    Type: Grant
    Filed: January 28, 2003
    Date of Patent: March 1, 2005
    Inventor: John B. Deemer