Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D636854 | Pipe coupling segment | Douglas R. Dole | 2011-04-26 |
| D636469 | Pipe coupling segment | Douglas R. Dole | 2011-04-19 |
| D636471 | Pipe coupling segment | Douglas R. Dole | 2011-04-19 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D636854 | Pipe coupling segment | Douglas R. Dole | 2011-04-26 |
| D636469 | Pipe coupling segment | Douglas R. Dole | 2011-04-19 |
| D636471 | Pipe coupling segment | Douglas R. Dole | 2011-04-19 |