Patents by Inventor Billy Hall

Billy Hall 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).

  • Publication number: 20070051417
    Abstract: A flexible collapsible corrugated drain pipe has a corrugation structure that permits a tight bending radius and relatively facile collapsing and expansion of corrugations, thereby permitting convenient manipulation and installation of drain pipe and packaging, display, storage and transportation of the collapsed pipe sections.
    Type: Application
    Filed: June 2, 2006
    Publication date: March 8, 2007
    Inventors: E. Boettner, Billy Hall, Frank Hoffman