Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Robert Johnson 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: 1073857     View patent at USPTO
    Title: FLUME
    Assignee: Sheridan Iron Works
    Issue Date: September 23, 1913
    Inventor(s): Robert J. Johnson, Sheridan, WY