Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5411098 | Method of stimulating gas-producing wells | Joseph H. Schmidt | 1995-05-02 |
| 5271465 | Over-pressured well fracturing method | Joseph H. Schmidt, James C. Abel, J. Lawrence Bacak, Ching H. Yew | 1993-12-21 |