Patents by Inventor Michael C. Wendel

Michael C. Wendel 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).

  • Sandless drywall knife
    Publication number: 20020002754
    Abstract: A tool for spreading plaster comprises a knife blade with an edge configured as a concavity. In one embodiment, the concavity has a radius of curvature of approximately one-sixteenth of an inch and tapers to respective flat surfaces on each end of the blade. The blade is disposed on a handle for easy manipulation. The blade and handle may be fabricated from metal or plastic material and may be of one-piece design.
    Type: Application
    Filed: May 9, 2001
    Publication date: January 10, 2002
    Inventor: Michael C. Wendel