Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5209800 | Total containment welding of plastic tubes | Dudley W. C. Spencer, John B. Shaposka | 1993-05-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5209800 | Total containment welding of plastic tubes | Dudley W. C. Spencer, John B. Shaposka | 1993-05-11 |