Patents by Inventor George Lewis Sappenfield

George Lewis Sappenfield 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: 6260303
    Abstract: A new and useful device for the watering, in a continuous basis, with great physical ease, of a Christmas tree.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: July 17, 2001
    Inventor: George Lewis Sappenfield