Patents by Inventor Hermann Kopper

Hermann Kopper 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).

  • 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