Patents by Inventor Nicholas Antoszewski

Nicholas Antoszewski 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: 6149553
    Abstract: A portable, free-standing martial arts board holding device. The device includes a backboard and a pair of elongate members on which boards to be struck and broken by a practitioner are supported against spaced from the backboard. An extension member permits additional boards to be held on the device. The elongate members includes holes to allow tubular members to pass therethrough. A wide range of desired heights of the backboard can be selected by the practitioner by passing the backboard through the holes.
    Type: Grant
    Filed: September 30, 1998
    Date of Patent: November 21, 2000
    Inventor: Nicholas Antoszewski