Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Frank Demmer 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: 2050167     View patent at USPTO
    Title: RIM TOOL
    Assignee: None
    Issue Date: August 4, 1936
    Inventor(s): Frank E. Demmer, Keeline, WY