Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5240293 | Brittle lined pipe connector | William C. Allen, Stephen Pye, Gerald M. Hamblin, Jose M. Perez, William E. Amend +2 more | 1993-08-31 |
| 5236231 | Brittle lined pipe connector | William C. Allen, Stephen Pye, Gerald M. Hamblin, Jose M. Perez, William E. Amend +2 more | 1993-08-17 |
| 5069485 | Brittle lined pipe connector | William C. Allen, Stephen Pye, Gerald M. Hamblin, Jose M. Perez, William E. Amend +2 more | 1991-12-03 |