Patents by Inventor Roger M. Chamberlain

Roger M. Chamberlain 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: 6196210
    Abstract: The invention is a compound bow with a stabilizing pin affixed to the base of the sight window of the bow at an angle less than 90° with reference to the horizontal lie of the base of the sight window in combination with a porous arrow marked by the presence therein of a through hole in proximity to the tip of the arrow that is amenable upon a pivotable arrow rest component of the bow to being engaged and held statically by the stabilizing pin upon near full extension by an archer of the bowstring of the bow.
    Type: Grant
    Filed: April 12, 2000
    Date of Patent: March 6, 2001
    Inventor: Roger M. Chamberlain