Wyoming Inventors Database
Wyoming Inventors : Name Search Results

William Johnston 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: 1871614     View patent at USPTO
    Assignee: None
    Issue Date: August 16, 1932
    Inventor(s): William V. Johnston, Casper, WY