Patents by Inventor Lawrence Thomas Chapman

Lawrence Thomas Chapman 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).

  • Metal wall stud
    Patent number: D411021
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: June 15, 1999
    Inventors: Lawrence Thomas Chapman, Kenneth R. Bass, deceased