Wyoming Inventors Database
Wyoming Inventors : Name Search Results

Gerald Spence has a total of 4 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: 2825626     View patent at USPTO
    Title: REMOVAL OF ALKALI METAL OXIDE FROM SOLID RESIDUES
    Assignee: Monolith Portland Midwest Company
    Issue Date: March 4, 1958
    Inventor(s): Gerald M. Spence, Laramie, WY

  2. Patent Number: 2869984     View patent at USPTO
    Title: PROCESS FOR THE PRODUCTION OF SODIUM ALUMINATE SOLUTION
    Assignee: None
    Issue Date: January 20, 1959
    Inventor(s): Gerald M. Spence, Laramie, WY

  3. Patent Number: 2921779     View patent at USPTO
    Title: ROTARY KILNS
    Assignee: Monolith Portland Midwest Company
    Issue Date: January 19, 1960
    Inventor(s): Gerald M. Spence, Laramie, WY

  4. Patent Number: 2973244     View patent at USPTO
    Title: PROCESS OF SINTERING ALUMLNUM CONTAINING MINERALS
    Assignee: Monolith Portland Midwest Company
    Issue Date: February 28, 1961
    Inventor(s): Gerald M. Spence, Laramie, WY