Patents by Inventor Jr. Larson

Jr. Larson 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).

  • Patent number: 5375532
    Abstract: A method for using an over-the-roadway tractor, a puller configured for interconnection to and powered by a tractor for driving the puller over a railway, and railway bogies, for hauling one or more convertible roadway-railway trailers over both a railway and roadway.
    Type: Grant
    Filed: April 29, 1993
    Date of Patent: December 27, 1994
    Inventor: Jr. Larson