Patents by Inventor Troy E. Rhea, Jr.

Troy E. Rhea, Jr. 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).

  • Color-coded ruler for three-phase wiring
    Patent number: 4700491
    Abstract: An electrician's color-coded ruler including sequentially numbered numerals each colored in one of three desired colors corresponding in a repeating pattern to the sequentially numbered poles of a three-phase panelboard.
    Type: Grant
    Filed: February 12, 1986
    Date of Patent: October 20, 1987
    Inventor: Troy E. Rhea, Jr.