Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Charles Grey 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: 1239438     View patent at USPTO
    Title: DEVELOPING-TRAY
    Assignee: None
    Issue Date: September 4, 1917
    Inventor(s): Charles R. Grey, Thermopolis, WY

  2. Patent Number: 1299173     View patent at USPTO
    Title: KNIFE
    Assignee: None
    Issue Date: April 1, 1919
    Inventor(s): Charles R. Grey, Thermopolis, WY