Patents by Inventor John J. Karsnia

John J. Karsnia 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).

  • Patent number: 5850650
    Abstract: A combination hammer and lumber manipulating tool for providing a hammer which is capable of being utilized as a lumber manipulating tool for use in combination with an air hammer. The inventive device includes a handle, and a hammer-head having a claw, a socket and a striking head. The hammer-head further includes a jaw attached to a side of the socket distally spaced in opposition to the claw. The distal space between the claw and the jaw is formed to fittingly engage a piece of lumber for manipulating. The jaw preferably includes a plurality of teeth for gripping the piece of lumber.
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: December 22, 1998
    Inventor: John J. Karsnia