Patents by Inventor Tommy K. Kallberg

Tommy K. Kallberg 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).

  • Portable gas-motor-driven cutting implement
    Patent number: 4160321
    Abstract: A portable gas-motor-driven cutting implement has a motor unit combined with a fuel tank and supporting a tool carrier. The cutting implement is provided with a curved front handle member extending substantially transversely of the tool carrier and a rear handle at the rear of the motor unit. The front handle member and the rear handle form parts of a rigid, closed supporting frame connected to the motor unit by three widely spaced resilient members, two of which are arranged at the front of the motor unit while the third is arranged at the rear of the motor unit.
    Type: Grant
    Filed: December 22, 1977
    Date of Patent: July 10, 1979
    Assignee: Aktiebolaget Partner
    Inventors: Tommy K. Kallberg, Bo Rangert