Patents by Inventor Lennart H. Swanson

Lennart H. Swanson 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).

  • Battery pack installation and storage system for electric vehicles
    Patent number: 5301765
    Abstract: Apparatus for use in association with an electric vehicle including an electric motor and a vehicle body having a storage compartment to facilitate interchange of battery packs in the storage compartment. The apparatus includes a movable frame for receiving a battery pack having electrical fittings. The frame is movable to a position where the electrical fittings of the battery pack engage electrical fittings leading to the electric motor.
    Type: Grant
    Filed: May 14, 1993
    Date of Patent: April 12, 1994
    Inventor: Lennart H. Swanson