Patents by Inventor Gerald E. Siegfried

Gerald E. Siegfried 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).

  • Spring-action suspensory device for attachment to overhead beams
    Patent number: 4238098
    Abstract: Presented in two different aspects is a generally U-shaped spring-action device for attachment to overhead beams for the purpose of forming an anchor to which suspensory rods may be attached for suspending ceilings, pipes, ducts or other structures.
    Type: Grant
    Filed: November 30, 1978
    Date of Patent: December 9, 1980
    Inventors: Gerald E. Siegfried, Donald C. Parson, deceased, by Carolyn K. Parson, adminstratrix