Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5217369 | Atmospheric furnace door counterbalance | Nathan P. Lee, Willard L. Hofer | 1993-06-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5217369 | Atmospheric furnace door counterbalance | Nathan P. Lee, Willard L. Hofer | 1993-06-08 |