Patents Assigned to Kopher Precision Instruments, Inc.
  • Archery bow system having a center nock and string drawing apparatus
    Patent number: 4930485
    Abstract: An archery bow system includes a bow, a bow string attached to the bow, a center nock attached to the bow string having a half loop with two ends attached to the bow string, and a hand held bow string drawing device which includes a releasable draw pin that engages with the half loop, and a trigger connected with the draw pin to release the bow string upon operation of the trigger.
    Type: Grant
    Filed: September 11, 1989
    Date of Patent: June 5, 1990
    Assignee: Kopher Precision Instruments, Inc.
    Inventor: Hermann Kopper