Patents by Inventor John B. Aderhold

John B. Aderhold 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).

  • Board saver pry bar
    Patent number: 6260824
    Abstract: A pry bar capable of removing boards while minimizing damage during removal so that the boards may be reused. The pry bar having a handle, a cross bar, and two pairs of pry arms with each pair having a different length. The handle forms an acute angle with one pair of pry arms and an obtuse angle with the other pair of pry arms. Either pair of pry arms is placed behind the board to be removed then force is exerted against the handle to remove the board.
    Type: Grant
    Filed: June 6, 2000
    Date of Patent: July 17, 2001
    Inventor: John B. Aderhold