Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9951869 | Seal for belled pipe | Alan Guzowski | 2018-04-24 |
| 9400073 | Pipe seal | — | 2016-07-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9951869 | Seal for belled pipe | Alan Guzowski | 2018-04-24 |
| 9400073 | Pipe seal | — | 2016-07-26 |