Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Robert Burkhardt 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: 571212     View patent at USPTO
    Assignee: George B. Hurd; George S. Porter
    Issue Date: November 10, 1896
    Note: Assignees held three-fourths
    Inventor(s): Robert William Burkhardt, Laramie City, WY