Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Harold Arnold 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: 2194000     View patent at USPTO
    Title: SUPERHEATED STEAM ENGINE
    Assignee: None
    Issue Date: March 19, 1940
    Inventor(s): Harold M. Arnold, Douglas, WY