Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8151999 | Plastic septic tank having layered composite wall | Roy E. Moore, Jr., Kruger Kurt | 2012-04-10 |
| 7914231 | Leaching chamber having a diagonally ribbed top | Bryan A. Coppes | 2011-03-29 |
| D630294 | Corrugated leaching chamber | Bryan A. Coppes | 2011-01-04 |
| 6827357 | Janitorial cart | Randall W. Calmeise | 2004-12-07 |
| D481188 | Office cleaning cart | Alex P. DiGiacomo, Jr. | 2003-10-21 |
| D469235 | Janitorial cart | Randall W. Calmeise | 2003-01-21 |