Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32642 | Pipe base well screen and system for joining a plurality of well screen segments | Harry J. Boudreaux, Bernard M. Hanson | 1988-04-12 |
| 4509600 | Pipe base well screen and system for joining a plurality of well screen segments | Harry J. Boudreaux, Bernard M. Hanson | 1985-04-09 |
| 4506730 | Device for assembling jacketed lengths of pipe base well screens | Chris McCollin, Richard E. Allred, Leslie K. Bearl | 1985-03-26 |
| 4191224 | Apparatus for making cellulose insulation | Kenneth L. Bontrager, Marion R. Bontrager, Robert J. Taylor, Jr. | 1980-03-04 |