Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002956 | Plating stand-off | Timothy O'Connor | 2011-08-23 |
| 4516934 | Waste heat recovery from regenerative furnaces | Ray S. Richards | 1985-05-14 |
| 4407669 | Waste heat recovery from regenerative furnaces | — | 1983-10-04 |
| 4330315 | Method and apparatus for preheating pulverous materials prior to their introduction into a melting furnace | Raymond S. Richards, Robert R. Rough, Sr. | 1982-05-18 |