Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4453699 | Gate and swing valve | Eldon E. Hulsey | 1984-06-12 |
| 4372332 | Compressor station for arctic gas pipeline | — | 1983-02-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4453699 | Gate and swing valve | Eldon E. Hulsey | 1984-06-12 |
| 4372332 | Compressor station for arctic gas pipeline | — | 1983-02-08 |