Patents by Inventor Jean M. Henry

Jean M. Henry 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).

  • Laser aiming device for weapons
    Patent number: 4233770
    Abstract: A laser is attached to a weapon and its beam is aimed toward the target. The dot of laser light on the target is observed through a light filter which permits passage of light of the same wavelength as the laser light. The filter may also be removed from the line of sight to the target.
    Type: Grant
    Filed: October 23, 1978
    Date of Patent: November 18, 1980
    Inventors: Gerald de Filippis, Jean M. Henry