Patents by Inventor Paul E. Caldwell

Paul E. Caldwell 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).

  • Apparatus for and method of removing scrap ribbons trimmed from a carpeting strip
    Patent number: 4222809
    Abstract: An apparatus and method are provided for removing scrap ribbons defined by cutting away opposite side edge portions of a carpeting strip.
    Type: Grant
    Filed: April 10, 1979
    Date of Patent: September 16, 1980
    Assignee: Dayco Corporation
    Inventors: Michael E. McLean, Rufus N. Ensley, Anthony J. Alcaraz, Paul E. Caldwell