Patents by Inventor Earl L. Marshall

Earl L. Marshall 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).

  • Horse drawn vehicle improvements
    Patent number: 5174594
    Abstract: The disclosure is directed to an improved horse drawn carriage providing several safety and performance features. A transverse shaft tip to shaft tip deflector is fittable over wooden shafts to prevent snagging objects such as trees and fence posts between horse and harness. Wheel deflectors, wheel guards, a low position passenger seat, and a removable rear platform assembly for standing passengers are disclosed.
    Type: Grant
    Filed: April 24, 1990
    Date of Patent: December 29, 1992
    Assignee: Earl L. Marshall
    Inventors: Earl L. Marshall, Thomas O'Carroll