Patents by Inventor Paul D. MacWilliams

Paul D. MacWilliams 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).

  • Archery bow weight scale
    Patent number: D243320
    Type: Grant
    Filed: May 1, 1975
    Date of Patent: February 8, 1977
    Inventor: Paul D. MacWilliams
  • Compound bow with string-cable spacer
    Patent number: D252095
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: June 12, 1979
    Inventor: Paul D. MacWilliams
  • Archery bow string release grip
    Patent number: D255824
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: July 8, 1980
    Inventors: Paul D. MacWilliams, Mark A. Santos