Patents Assigned to Avalanche Company
  • Patent number: 3998486
    Abstract: Apparatus is disclosed for removing snow from an inclined surface such as a structural roof, including an elongated flexible sheet having a low surface coefficient of friction, and adapted for sliding along the inclined surface, the sheet being attached to a rod and the rod having an attachment for propelling the apparatus.
    Type: Grant
    Filed: November 19, 1975
    Date of Patent: December 21, 1976
    Assignee: Avalanche Company
    Inventor: Robert A. Mittelstadt