Patents by Inventor Frank D. Heinze, Jr.

Frank D. Heinze, Jr. 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: 4313611
    Abstract: A dual-wheeled horse-drawn sulky having a generally U-shaped frame member with a pair of rearwardly and downwardly extending parallel shaft portions adapted for a horse to be positioned therebetween, the shaft portions having an outboard strut at each end thereof and a pair of transversely aligned wheel axles one positioned between each of the shaft portions and the respective outboard struts, a rearwardly inclined arch member having a pair of forwardly extending telescopically adjustable portions interconnected at their rear ends by a bight portion, each of the forwardly extending telescopically adjustable portions being hingedly secured at the forward end to one of the shaft portions and a pair of fork members each being hingedly secured at the upper portion thereof with respect to one of the forwardly extending telescopically adjustable portions wherein the lower ends of the fork members are hingedly connected at the lower portion of the shaft portions and the drivers seat is centrally located on the bight
    Type: Grant
    Filed: November 12, 1980
    Date of Patent: February 2, 1982
    Inventors: Frank D. Heinze, Jr., Frank D. Heinze, III