Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7628428 | Method and apparatus for protecting conduit systems | Charles Kennedy, Daniel Zowada | 2009-12-08 |
| 7273073 | Method and device for the protection of a pipe portion | Kevin Douglas, Mark Bradley, Charles Kennedy | 2007-09-25 |