Patents by Inventor Rudolph Belcourt

Rudolph Belcourt 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).

  • Lever device for power drill
    Patent number: 4168926
    Abstract: This invention comprises a leverage attachment for a power drill having a grip. The leverage attachment has a bracket for mounting to the housing of the power drill. A lever arm is pivotally mounted at one end to the bracket. The lever arm has an eyelet adjustment to the pivotal mounting of the arm. A link chain is mounted at one end to the eyelet of the device and is adapted to extend around the material to be drilled.
    Type: Grant
    Filed: December 30, 1977
    Date of Patent: September 25, 1979
    Inventor: Rudolph Belcourt