Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491066 | Resilient bevel for profile wall pipe | John I. Pitman, Dennis E. Bauer, Gerald E. Parkinson | 2002-12-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491066 | Resilient bevel for profile wall pipe | John I. Pitman, Dennis E. Bauer, Gerald E. Parkinson | 2002-12-10 |