Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D756212 | Pipe coupling segment | Charles E. Wilk, Jr., Scott D. Madara, Douglas R. Dole | 2016-05-17 |
| 9333543 | Pipe element having shoulder, groove and bead | Douglas R. Dole, Charles E. Wilk, Jr., Scott D. Madara | 2016-05-10 |
| D755621 | Pipe coupling segment | Scott D. Madara, Charles E. Wilk, Jr., Douglas R. Dole | 2016-05-10 |
| D750957 | Pipe coupling segment | Scott D. Madara, Charles E. Wilk, Jr., Douglas R. Dole | 2016-03-08 |