Patents by Inventor Lawrence Bierce

Lawrence Bierce 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).

  • Nestable traffic barrier
    Publication number: 20060245826
    Abstract: A traffic control barrier having an internal reservoir to receive water, sand or similar ballast material, such that the barrier is relatively lightweight until filled with ballast. The barrier is nestable such that multiple barriers can be disposed in a vertical stack of reduced height.
    Type: Application
    Filed: April 28, 2005
    Publication date: November 2, 2006
    Inventors: Mark Shaw, J. Heyman, Lawrence Bierce