Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8734051 | Apparatus for aerating and draining | J. Cornelis Kerkhoff | 2014-05-27 |
| 8708603 | Apparatus for aerating and draining | J. Cornelis Kerkhoff | 2014-04-29 |
| 6746179 | System component, system and method for aerating of compost and the draining of excess liquid contained therein | — | 2004-06-08 |