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, David C. Card | 1988-04-12 |
| 4509600 | Pipe base well screen and system for joining a plurality of well screen segments | Harry J. Boudreaux, David C. Card | 1985-04-09 |
| 4428423 | Well screen end fitting assembly and method of making same | Raymond A. Koehler | 1984-01-31 |