Patents by Inventor Joann R. Lease

Joann R. Lease 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).

  • Retractable electric fence system
    Patent number: 5738341
    Abstract: A retractable electric fence system including a plurality of primary posts with at least one spring-biased spool situated on them. Next provided is conductive wire wrapped about the spools and adapted to remain taut between the primary posts by means of the spring biased spools.
    Type: Grant
    Filed: April 3, 1997
    Date of Patent: April 14, 1998
    Inventor: Joann R. Lease