Patents by Inventor John A. DeRiu

John A. DeRiu 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).

  • Highway median strip divider
    Patent number: D299960
    Type: Grant
    Filed: August 4, 1986
    Date of Patent: February 21, 1989
    Inventor: John A. DeRiu