Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6213031 | Method of cooling a grate for a furnace and grate for a furnace | Max Kunzli, John Millard | 2001-04-10 |
| 5913274 | Incineration grate with internal cooling | Max Kunzli, John Millard | 1999-06-22 |