Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7857545 | Variable volume drain field system | — | 2010-12-28 |
| 6436288 | Bast medium biological reactor treatment system for remediation and odor suppression of organic waste streams | Jeffrey D. Jones, Eugene P. Columbus, Mark E. Zappi | 2002-08-20 |