Patents by Inventor Janet Heidemarie Lehnardt

Janet Heidemarie Lehnardt 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).

  • Underground rake storage apparatus and method
    Patent number: 6405891
    Abstract: A rake storage device for storing a rake adjacent a sand trap of a golf course, and for selectively elevating the rake for use, includes an elongated container disposed underground in a substantially vertical orientation. The rake is removably received within the container. The device includes lifting means for elevating the rake out of the container and above the surface. The lifting means can include a rake receiver and a counter-weight operatively coupled together and movably disposed in the elongated container.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: June 18, 2002
    Inventors: Warren J. Christensen, Jeffrey Christensen, Kip M. Colton, Stephen Matthew Haws, Michelle Elaine Lau, Janet Heidemarie Lehnardt, Kevin David Staples, Alaa Abu-Obeid, Len Pugh