Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379527 | Method for waste recycling and conversion | Hubert S. Vogt, Herman K. Walter | 2002-04-30 |
| 6048458 | Apparatus and method for waste recycling and conversion | Hubert S. Vogt, Herman K. Walter | 2000-04-11 |
| 5795479 | Apparatus and method for waste recycling and conversion | Hubert S. Vogt, Herman K. Walter | 1998-08-18 |