Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5112464 | Apparatus to control reverse current flow in membrane electrolytic cells | Yu-Min Tsou, Harry S. Burney, Jr. | 1992-05-12 |
| 4952297 | Storage, transportation and installation container for ion-exchange membranes | James F. McDonnel, Jr. | 1990-08-28 |
| 4911829 | Electrolysis cell membrane hanger | Gerald L. Shoults, Hiep D. Dang | 1990-03-27 |
| 4846952 | Flat plate electrolysis cell frame separator and method | Gary L. Gardner, John R. Pimlott, Hiep D. Dang | 1989-07-11 |
| 4756817 | Apparatus for pressing plate-type structures | — | 1988-07-12 |
| 4660308 | Tentering frame for sheet-like members | Hiep D. Dang, Joel F. M. Leathers | 1987-04-28 |
| 4625440 | Tentering frame for sheet-like members | Hiep D. Dang, Joel F. M. Leathers | 1986-12-02 |
| 4578885 | Tentering frame for sheet-like members | Hiep D. Dang, Joel F. M. Leathers | 1986-04-01 |