Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9328499 | Device for settlement of particles from a liquid | Gregory S. Duncan | 2016-05-03 |
| 7918996 | Stormwater filter bag | — | 2011-04-05 |
| 7798747 | Stormwater capture module | Dale Groff, E. Nelson Martin | 2010-09-21 |
| 7121766 | Inflatable underground structure liner | Michael Zeiber | 2006-10-17 |
| 6676832 | Surface water purifying catch basin | Dennis C. Kohl, David Schollenberger | 2004-01-13 |
| 6540438 | Inflatable underground structure liner | Michael Zeiber | 2003-04-01 |
| 6540439 | Junction seal between a liner of an underground structure and a penetrating pipe | Michael Zeiber | 2003-04-01 |
| 4380282 | Cable suspended conveyor | — | 1983-04-19 |