Patents by Inventor Clarence R. Gruber

Clarence R. Gruber 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).

  • Sawdust removal device
    Patent number: 4195403
    Abstract: A sawdust removal device for attachment to the exterior housing of a saber saw or other electric-powered saw or drill. The device traps air discharged from an exhaust port in the saw or drill housing and diverts that air to continuously blow away sawdust, chips and other debris which accumulates on the surface of the material being cut or drilled during operation of the saw or drill.
    Type: Grant
    Filed: May 9, 1979
    Date of Patent: April 1, 1980
    Inventor: Clarence R. Gruber