Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Lemuel Johnston has a total of 2 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: 1655728     View patent at USPTO
    Title: BRIQUETTE AND METHOD OF MANUFACTURE
    Assignee: None
    Issue Date: January 10, 1928
    Inventor(s): James L. Farrell, Parco, WY
    Lemuel M. Johnston, Parco, WY

  2. Patent Number: 1903237     View patent at USPTO
    Title: METHOD OF PRODUCING A CARBONIZED FUEL BRIQUETTE
    Assignee: None
    Issue Date: March 28, 1933
    Inventor(s): Lemuel M. Johnston, Parco, WY