Patents by Inventor Alan F. Spedding

Alan F. Spedding 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).

  • Structural members and construction methods
    Patent number: 4850170
    Abstract: A structural member and a method of construction employing same, wherein the structural member comprises two boards held in spaced apart relationship by a pluarlity of spacers fixed at intervals between said boards and each board has a tongue along one edge and a complementary groove along the other, and wherein said structural members can be readily joined edge to edge to construct walls and partitions.
    Type: Grant
    Filed: August 18, 1988
    Date of Patent: July 25, 1989
    Inventors: Hugh W. Douglas, Alan F. Spedding