Patents by Inventor David B. Blume

David B. Blume 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).

  • Transmission
    Patent number: 5910060
    Abstract: A transmission particularly a vehicular transmission for the driving and steering of a vehicle comprising a first differential having outputs to left and right wheels of the vehicle and an input powered for forward and reverse propulsion of the vehicle and a second differential controlling the outputs of the first differential for steering the vehicle.
    Type: Grant
    Filed: March 5, 1998
    Date of Patent: June 8, 1999
    Inventor: David B. Blume