Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Andrew 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: 2749905     View patent at USPTO
    Title: FIREPLACE HOT AIR FURNACE
    Assignee: None
    Issue Date: June 12, 1956
    Inventor(s): Andrew Lager Johnson, Douglas, WY