Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35542 | Pipe bursting and replacement method | David I. Freed, Thomas H. Mann | 1997-06-24 |
| 5597046 | Guided mole | — | 1997-01-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35542 | Pipe bursting and replacement method | David I. Freed, Thomas H. Mann | 1997-06-24 |
| 5597046 | Guided mole | — | 1997-01-28 |