Patents by Inventor Hank E Pierson

Hank E Pierson 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).

  • Pre-feeder for a main sail
    Patent number: 6766753
    Abstract: A releasable pre-feeder guides a luft rope of a main sail into a groove in a mast.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: July 27, 2004
    Inventor: Hank E Pierson