Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9803784 | Corrugated pipe gasket | Robert R. Slocum | 2017-10-31 |
| 9617722 | Manhole base assembly with internal liner and method of manufacturing same | James W. Skinner, Robert R. Slocum, John M. Kaczmarczyk | 2017-04-11 |