Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349050 | Blast joint for subterranean wells | Richard Nelson, George P. Maly | 1982-09-14 |
| 4211440 | Compensated blast joint for oil well production tubing | — | 1980-07-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349050 | Blast joint for subterranean wells | Richard Nelson, George P. Maly | 1982-09-14 |
| 4211440 | Compensated blast joint for oil well production tubing | — | 1980-07-08 |