Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980602 | Fitting to connect a polyvinyl chloride pipe and a polyethylene pipe | Charles Charlson | 2011-07-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980602 | Fitting to connect a polyvinyl chloride pipe and a polyethylene pipe | Charles Charlson | 2011-07-19 |