Wyoming Inventors Database
Wyoming Inventors : Name Search Results

John Doyle has a total of 1 patent(s) in the database.

* Some patents in this database have one or more inventors, not all of whom may be from Wyoming.

 

  1. Patent Number: 2284643     View patent at USPTO
    Title: RAIL FASTENING
    Assignee: Edward W. Heintzelman
    Issue Date: June 2, 1942
    Note: Assignee held two-fifths
    Inventor(s): John T. Doyle, Dwyer, WY