Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8567449 | Systems and methods for locating and restoring service lines in pipeline rehabilitation | John A. Cain, Harry L. Baum, James D. Kiegley, Ralph K. Cordonnier, Dan Cohen | 2013-10-29 |
| 7841366 | Systems and methods for pipeline rehabilitation installation | John A. Cain, Ralph K. Cordonnier, James D. Keigley, Dan Cohen | 2010-11-30 |
| D393579 | Pulling anvil | — | 1998-04-21 |