Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5190102 | Sintered metal substitute for prepack screen aggregate | Bryant A. Arterbury, James E. Spangler | 1993-03-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5190102 | Sintered metal substitute for prepack screen aggregate | Bryant A. Arterbury, James E. Spangler | 1993-03-02 |