Patents Assigned to Research, Development & Marketing
  • Patent number: 4287922
    Abstract: A portable bucksaw employing a hollow tube as a cross support and a pair of bars pivotally attached on opposite sides of each end of the blade of the saw, the bars in one position extending through slots in the tube to a tensioning apparatus on the opposite side of the tube from the blade, and in another position folding to a position parallel to the blade, the blade and bars being insertable into the tube when in said other position for storage.
    Type: Grant
    Filed: January 28, 1980
    Date of Patent: September 8, 1981
    Assignee: Research, Development & Marketing
    Inventor: John R. Nelson