Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4192992 | Electric heating assembly for a fused bath | John M. Stevens, Grant W. Allen, John M. Cole | 1980-03-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4192992 | Electric heating assembly for a fused bath | John M. Stevens, Grant W. Allen, John M. Cole | 1980-03-11 |