Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6694621 | Pole-mounted pruning device | Karen S. Boley | 2004-02-24 |
| 4539023 | Horizontal gas and liquid separator | — | 1985-09-03 |
| 4535799 | Automatic liquid shut-off valve | — | 1985-08-20 |
| 4194393 | Well driving and monitoring system | — | 1980-03-25 |