Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7203416 | Ventilating and heating apparatus with heater shielded by tapered discharge duct | Gary J. Craw, Daniel L. Karst, Kenneth J. Jonas | 2007-04-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7203416 | Ventilating and heating apparatus with heater shielded by tapered discharge duct | Gary J. Craw, Daniel L. Karst, Kenneth J. Jonas | 2007-04-10 |