Patents by Inventor Phillip G. Spencer

Phillip G. Spencer 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).

  • Sighting apparatus
    Patent number: 3945127
    Abstract: A sighting device wherein from about 1 to about 10 sighting pins containing light conducting fibres are used to align the arrow, bullet or other projectile with the target. The sighting pins are adjustable both vertically and horizontally and are battery operated. The sight has utility for both hunting and target purposes. The entire device is small enough and light enough to be mounted on standard archery bows or rifles.
    Type: Grant
    Filed: March 27, 1974
    Date of Patent: March 23, 1976
    Inventor: Phillip G. Spencer