Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Ralph Holland 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: 1539671     View patent at USPTO
    Title: APPARATUS FOR CLARIFICATION OF GASOLINE
    Assignee: None
    Issue Date: May 26, 1925
    Inventor(s): Ralph Holland, Laramie, WY
    John A. Wirt, Laramie, WY

  2. Patent Number: 1637902     View patent at USPTO
    Title: LIQUID-LEVEL-CONTROLLING MEANS FOR DRY-CLEANING SYSTEMS
    Assignee: None
    Issue Date: August 2, 1927
    Inventor(s): Ralph Holland, Laramie, WY