Patents by Inventor LeRoy Barto

LeRoy Barto 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).

  • Prefabricated wall or ceiling assembly
    Patent number: 4193239
    Abstract: A wall or ceiling of reusable concrete form assembly which requires no outside support or fasteners and in which interlocking extrusions are adapted to hold panels in tension and where the extrusions have mating portions which can be bent or crimped to join the extrusions and where the tension in the panels is translated back to the extrusions causing them to be more firmly joined.
    Type: Grant
    Filed: June 27, 1978
    Date of Patent: March 18, 1980
    Inventor: LeRoy Barto