Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846951 | Process and apparatus for controlling gasket force in electrolysis cells | — | 1989-07-11 |
| 4846952 | Flat plate electrolysis cell frame separator and method | John R. Pimlott, Hiep D. Dang, Roy L. Hicks | 1989-07-11 |