Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343360 | Method for controlling underground combustion | Robert D. Hall | 1982-08-10 |
| 4343361 | Method for controlling underground combustion | Robert D. Hall | 1982-08-10 |
| 4331117 | System and method for controlling engine knock | — | 1982-05-25 |
| 4323120 | Method for controlling underground combustion | Robert D. Hall | 1982-04-06 |
| 4323121 | Method for controlling underground combustion | Robert D. Hall | 1982-04-06 |