Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859173 | Low BTU gas staged air burner for forced-draft service | Lester W. Davis, Jr., John P. Geosits, Edward F. Kiczek | 1989-08-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859173 | Low BTU gas staged air burner for forced-draft service | Lester W. Davis, Jr., John P. Geosits, Edward F. Kiczek | 1989-08-22 |