Patents by Inventor Richard K. Lawson

Richard K. Lawson 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: D324704
    Type: Grant
    Filed: September 26, 1990
    Date of Patent: March 17, 1992
    Assignee: Richard K. Lawson
    Inventors: Richard K. Lawson, Robert Zajeski, Donald Wiencek