Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4403329 | Support system for electrical resistance element | — | 1983-09-06 |
| 4300882 | Industrial furnace with side wall ceramic insulating modules | — | 1981-11-17 |
| 4278877 | Electrical heating unit with flattened embedded heating coil | — | 1981-07-14 |
| 4249888 | Industrial furnace with ceramic insulating modules having internal grid support | — | 1981-02-10 |
| 4246852 | Industrial furnace with ceramic insulating modules | — | 1981-01-27 |