Patents by Inventor William C. Chaprales

William C. Chaprales 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).

  • Patent number: 6055761
    Abstract: A fish tag harpoon which contains a shock absorbing cap on the harpoon end, and contains a sonic signal-emitter secured by elastomeric bands to the harpoon, with the emitter secured by a line to a releasable retention dart at the end of the harpoon.
    Type: Grant
    Filed: September 22, 1997
    Date of Patent: May 2, 2000
    Assignee: East Coast Tuna Association
    Inventor: William C. Chaprales