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.
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
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