Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Joseph Hemingway 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: 644012     View patent at USPTO
    Title: PROCESS OF DISTILLING COAL
    Assignee: John W. Rodgers; William E. Rothermel
    Issue Date: February 20, 1900
    Note: Assignees held two-thirds
    Inventor(s): Joseph Hemingway, Sundance, WY