Patents by Inventor Franz Barry Sjogren

Franz Barry Sjogren 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).

  • Device for detecting obstructions in path of a vehicle
    Patent number: 3986577
    Abstract: A device for detecting obstructions in the path of a vehicle which extends beyond the structure and which responds to impact in sufficient time to activate the brakes of the vehicle before the structure of the vehicle strikes the obstruction.
    Type: Grant
    Filed: March 26, 1975
    Date of Patent: October 19, 1976
    Inventors: Bengt Ebbe Oscar Ebbesson, Ake Lennart Sjoberg, Franz Barry Sjogren