Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353586 | Combustion chamber assembly with hollow support strut for carrying cooling air | Arthur B. Griffin | 1994-10-11 |
| 5311927 | Air conditioning and refrigeration apparatus utilizing a cryogen | Herman H. Viegas, Roland L. Roehrich | 1994-05-17 |
| 5305825 | Air conditioning and refrigeration apparatus utilizing a cryogen | Roland L. Roehrich, Herman H. Viegas | 1994-04-26 |