Patents by Inventor Percy A. Parr

Percy A. Parr 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).

  • Publication number: 20080134851
    Abstract: A sheet cutting apparatus that automatically adjusts blade depth for a sheet being cut regardless of the amount of wear on the blade. The apparatus includes a top plate for supporting a sheet being cut. A cutting head is disposed above the top plate and has a cutting blade movable toward the top plate. The cutting blade includes a cutting blade tip which engages a cutting blade tip sensor to indicate a location of the tip relative to the cutting head.
    Type: Application
    Filed: December 8, 2006
    Publication date: June 12, 2008
    Inventors: William A. Roach, Percy A. Parr, Chad A. Chryst