Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Louis Dopyera 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: 2497116     View patent at USPTO
    Title: STRINGED MUSICAL INSTRUMENT
    Assignee: Valco Manufacturing Company
    Issue Date: February 14, 1950
    Inventor(s): Louis Dopyera, Jackson, WY