Patents Assigned to Mathew McPherson
  • Patent number: 6257220
    Abstract: A dampening device for an archery bow, the dampening device absorbing vibrational energy as the limbs of the bow return to a rest position from a drawn position, the dampening device comprising at least one counterweight mounted to a resilient member. The resilient member mounted to a dampening device mounting region located on the handle, riser or limbs of the bow.
    Type: Grant
    Filed: November 17, 1999
    Date of Patent: July 10, 2001
    Assignee: Mathew McPherson
    Inventors: Mathew A. McPherson, Gary L. Simonds
  • Patent number: 6060650
    Abstract: An acoustic guitar having a single sound hole placed on the perimeter of the sound board for enhancing its sound generating characteristics and a novel sound board design.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: May 9, 2000
    Assignee: Mathew McPherson
    Inventor: Mathew McPherson