Patents by Inventor Marion D. Arnold

Marion D. Arnold 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).

  • Mower blade sharpening device
    Patent number: 8348722
    Abstract: A mower blade sharpening device comprising a guide body having a sharpening rod guide, a sharpening rod having a sharpener end, and an operator end. The sharpening rod is disposed in the sharpening rod guide. A sharpener is disposed on the sharpener end of the sharpening rod. Also disclosed is a method for sharpening a mower blade using the sharpening device.
    Type: Grant
    Filed: February 18, 2010
    Date of Patent: January 8, 2013
    Inventor: Marion D. Arnold
  • MOWER BLADE SHARPENING DEVICE
    Publication number: 20110201258
    Abstract: A mower blade sharpening device comprising a guide body having a sharpening rod guide, a sharpening rod having a sharpener end, and an operator end. The sharpening rod is disposed in the sharpening rod guide. A sharpener is disposed on the sharpener end of the sharpening rod. Also disclosed is a method for sharpening a mower blade using the sharpening device.
    Type: Application
    Filed: February 18, 2010
    Publication date: August 18, 2011
    Inventor: Marion D. ARNOLD