Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5955048 | Process for making flash activated hydrotalcite | Vito Cedro, III, John M. Stinson, Mark L. Weaver | 1999-09-21 |
| 5037463 | Freeze concentration and precipitate removal system | Gerald E. Engdahl | 1991-08-06 |
| 4936114 | Apparatus and method of freeze concentrating aqueous waste and process streams to separate water from precipitable salts | Gerald E. Engdahl, William S. Schoerner, Matloob Husain | 1990-06-26 |
| 4317497 | Battery tray for electric vehicle | Robert D. Alt, Alverson B. Williams | 1982-03-02 |