Patents by Inventor Antonio Jose Castilla

Antonio Jose Castilla 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: 4112583
    Abstract: A lead sight with numbers coinciding with the numbered positions on a standard skeet range printed on a transversely extended transparent member mounted by a strap above gun barrels toward the muzzle end. "High" and "Low", also imprinted on the transparent member, correspond to the high house and the low house from which the clay pigeons are released. The "lead sight" helps the beginner in skeet shooting to lead the bird properly and helps the experienced shooter having a problem with one or more positions.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: September 12, 1978
    Inventor: Antonio Jose Castilla