Wyoming Inventors Database
Wyoming Inventors : Name Search Results

William Pratt 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: 280239     View patent at USPTO
    Title: BROKEN-SHELL EXTRACTOR
    Assignee: None
    Issue Date: June 26, 1883
    Inventor(s): William Pratt, Fort Laramie, Wyoming Territory