Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6938933 | Corrugated plastic pipe sections having flanged ends and structurally tight joints thereof | — | 2005-09-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6938933 | Corrugated plastic pipe sections having flanged ends and structurally tight joints thereof | — | 2005-09-06 |