Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7082942 | Wood burner with improved emissions | Robert H. Buzzard | 2006-08-01 |
| 6935333 | Wood burner with improved emissions | Robert H. Buzzard | 2005-08-30 |
| 6705310 | Wood burner with improved emissions | Robert H. Buzzard | 2004-03-16 |
| 6045706 | Calcium hypochlorite feeder | Michael Liebendorfer, Richard W. Dennis, II, Joseph Tietjens, Roy Martin | 2000-04-04 |