Patents by Inventor Lewis E. Coleman, Jr.

Lewis E. Coleman, 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).

  • Water main scraper
    Patent number: 4912799
    Abstract: A scraper for use in repairing underground pipe breaks consisting of two parallel chains carrying transverse square scraper rods.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: April 3, 1990
    Inventor: Lewis E. Coleman, Jr.