Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4412975 | Fired process heater | Paul D. O'Lenick, Lowell D. Fraley | 1983-11-01 |
| 4324649 | Fired process heater | Paul D. O'Lenick, Lowell D. Fraley | 1982-04-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4412975 | Fired process heater | Paul D. O'Lenick, Lowell D. Fraley | 1983-11-01 |
| 4324649 | Fired process heater | Paul D. O'Lenick, Lowell D. Fraley | 1982-04-13 |