Patents Represented by Law Firm Dufault & Dufault
  • Snowplow attachment
    Patent number: 4459769
    Abstract: An attachment, with self-contained springs, removably attached to the upper edge of a snowplow blade and designed so as to prevent snow from moving over the plow blade while plowing snow and to deflect the snow laterally away from the plow blade.
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: July 17, 1984
    Inventor: William R. Willis, Sr.