Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5167279 | Well cleaning assembly | — | 1992-12-01 |
| 5161612 | Well casing wash assembly | — | 1992-11-10 |
| 4892145 | Well casing cleaning assembly | — | 1990-01-09 |
| 4595174 | Horizontal line grip device | Cleveland E. Dodge, Jr. | 1986-06-17 |
| 4516661 | Safety device for scaffold | — | 1985-05-14 |
| 4476958 | Safety device for scaffold | — | 1984-10-16 |