Patents by Inventor LeRoy C. Olson

LeRoy C. Olson 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).

  • Trailer for farm machinery
    Patent number: 4063745
    Abstract: A trailer construction in which the trailer bed is articulated into a plurality of sections for relative pivotal movement about one or more transverse horizontal axes, and which includes means for temporarily lowering the bed of the trailer to rest directly on the ground, for unimpeded loading by movement transverse of the bed, longitudinal loading from behind still being available as well.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: December 20, 1977
    Inventor: LeRoy C. Olson