Patents by Inventor Richard Louis DonTigny

Richard Louis DonTigny 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).

  • Arrow shaft with an aerodynamic groove
    Patent number: 6129642
    Abstract: An improved arrrow shaft is modified to include an aerodynamic groove longitudinally placed on the bottom of the shaft to improve accuracy, flatten trajectory and increase the flight distance of the arrow. The aerodynamics of the improved arrow shaft improve the flight characteristics of conventional fletched arrows and allow the use of fletchless arrows in combination with an archery bow or a crossbow.
    Type: Grant
    Filed: January 11, 1999
    Date of Patent: October 10, 2000
    Inventor: Richard Louis DonTigny