Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Joseph Rivers 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: 487029     View patent at USPTO
    Title: POP SAFETY-VALVE
    Assignee: None
    Issue Date: November 29, 1892
    Inventor(s): William L. Gray, Evanston, WY
    Joseph Rivers, Evanston, WY