Patents by Inventor Walter Donald Langlois

Walter Donald Langlois 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).

  • VINE OR CANE PRUNER
    Publication number: 20100218475
    Abstract: A cane or vine pruning remover consists of abutting driven wheels which when moved along above vines or canes engage those rising between the wheels to strip them from the parent plant.
    Type: Application
    Filed: April 15, 2008
    Publication date: September 2, 2010
    Inventor: Walter Donald Langlois