Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10428512 | Manhole base assembly with internal liner and method of manufacturing same | Jimmy D. Gamble, Robert R. Slocum, John D. Kaczmarczyk, John M. Kurdziel | 2019-10-01 |
| 10214893 | Manhole base assembly with internal liner and method of manufacturing same | Jimmy D. Gamble, Robert R. Slocum, John M. Kaczmarczyk, John M. Kurdziel | 2019-02-26 |