Patents by Inventor Thomas R. Colwell

Thomas R. Colwell 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).

  • Building construction
    Patent number: 4488385
    Abstract: An improved building structure and construction method is disclosed wherein the wall structure includes internal wall forms with cementitious material applied thereon. A reinforcing structure for the cementitious material is provided whereby the foundation wall structure and roof structure are operatively interconnected in a load bearing relationship so that the strength and durability is significantly enhanced. The apparatus for attaching the internal wall forms to the roof structure includes means for conveniently aligning the wall forms in a straight and plumb relationship before the cementitious material is applied.
    Type: Grant
    Filed: May 28, 1982
    Date of Patent: December 18, 1984
    Assignee: NFS Industries, Inc.
    Inventors: William A. Teasel, Thomas M. Teasel, Thomas R. Colwell