Patents by Inventor John D. Engles

John D. Engles 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).

  • Bullet sizing attachment for arbor-type press
    Patent number: 4462298
    Abstract: A bullet sizing and lubricating attachment for an arbor-type bullet reloading press is provided, the attachment being mountable to an existing press such that the stroke of the bullet loading plunger is utilized to drive a bullet through a sizing die in which it is lubricated as it is sized.
    Type: Grant
    Filed: December 13, 1982
    Date of Patent: July 31, 1984
    Inventor: John D. Engles