Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4643165 | Nonpolluting, high efficiency firebox for wood burning stove | — | 1987-02-17 |
| 4520791 | Jacketed wood stove | — | 1985-06-04 |
| 4438756 | Apparatus and method for accomplishing efficient burning of biomass fuel materials | Paul Tiegs | 1984-03-27 |
| 4422436 | Jacketed wood stove | — | 1983-12-27 |
| D264373 | Woodstove | — | 1982-05-11 |