Patents by Inventor John G. Dapkus

John G. Dapkus 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).

  • Patent number: 4498677
    Abstract: An explosive target for firearm marksmanship has a hollow rectangular block-shaped body assembly including an internal bore containing an explosive charge which detonates upon projectile impact. A charge retaining disc forcibly inserted within the bore retains the charge adjacent the rear wall of the body assembly. A target imprinted on the front wall of the body assembly is coaxially aligned with the bore.
    Type: Grant
    Filed: March 22, 1983
    Date of Patent: February 12, 1985
    Inventor: John G. Dapkus