Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620129 | Enlargeable multifunctional devices | Eric Stecker, Barbara Stecker | 2003-09-16 |
| 5701953 | Well head for environmental extraction wells | Christine M. Liethen | 1997-12-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620129 | Enlargeable multifunctional devices | Eric Stecker, Barbara Stecker | 2003-09-16 |
| 5701953 | Well head for environmental extraction wells | Christine M. Liethen | 1997-12-30 |