Patents Assigned to Philip A.D. Machine, Inc.
  • Accessory for an arrow
    Patent number: 4268038
    Abstract: An accessory for a hunting arrow is disclosed designed to be mounted around the shaft of the arrow at the base of the arrow head. The accessory consists of a coil of ribbon-like resilient material which is tightly wound and held in coiled position by a latch. The latch releases the coil as the result of a finger on the latch catching on the target as the arrow penetrates.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: May 19, 1981
    Assignee: Philip A.D. Machine, Inc.
    Inventor: Allen J. Wierenga