Patents by Inventor Roger J. Renner

Roger J. Renner 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).

  • Muzzle venting in muzzleloading rifles
    Patent number: 5844162
    Abstract: A muzzle-loading rifle having vents cut into the barrel near its muzzle. The rifling is timed with respect to the placement of the vents such that all vents are located within the rifling grooves. Depending on the number and size of the vents, the rifling grooves may be relatively wide and the rifling twist relatively slow to ensure that all vents remain in the rifling grooves.
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: December 1, 1998
    Inventor: Roger J. Renner