Patents by Inventor Charles D. Bostian

Charles D. Bostian 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).

  • Lanyard support for metal building roof
    Patent number: 4334662
    Abstract: This invention is directed to a device for supporting a load on a standing seam roof. A platform is provided for spanning the distance between two adjacent roof seams and camming means are mounted on opposite sides of the platform means for engaging the parallel roof seams. Each of the camming means is provided with backup means disposed on the opposite side of the seam from the camming means and disposed to abut against the roof seam. This provides a backup for the camming means when the latter engages the roof seam.
    Type: Grant
    Filed: September 5, 1980
    Date of Patent: June 15, 1982
    Assignee: Tempel-Callison Company
    Inventors: Thomas R. Davis, Charles D. Bostian