Patents by Inventor Otis D. Dier

Otis D. Dier 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: 8568071
    Abstract: A railcar safety system utilizes a flexible net system removably secured across an open end of the railcar.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: October 29, 2013
    Inventors: Otis D. Dier, Thomas S. Broderick
  • Publication number: 20130168033
    Abstract: A railcar safety system utilizes a flexible net system removably secured across an open end of the railcar.
    Type: Application
    Filed: December 30, 2011
    Publication date: July 4, 2013
    Inventors: Otis D. Dier, Thomas S. Broderick