Patents by Inventor Ralph E. Howard

Ralph E. Howard 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).

  • Hydraulic wing extension
    Patent number: 4667426
    Abstract: A snowplow with an extension blade is provided and consists of a main blade and an extension blade horizontally slideable within a track behind the main blade by a hydraulic cylinder assembly, whereby when the extension blade is completely retracted it will be totally behind the main blade. In a modification the extension blade contains individual spring biased vertically extending hands with the purpose of providing needed height when the extension blade is extended.
    Type: Grant
    Filed: January 27, 1986
    Date of Patent: May 26, 1987
    Inventors: Ralph E. Howard, George Spector
  • Tobacco-impregnated toothpick
    Patent number: D335934
    Type: Grant
    Filed: May 16, 1991
    Date of Patent: May 25, 1993
    Inventor: Ralph E. Howard