Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4919893 | Thermal extraction/pyrolysis gas chromatograph | Eric L. Bandurski, Phach F. N. Vu | 1990-04-24 |
| 4449593 | Guide for sidewall coring bit assembly | Alfred H. Jageler, Houston B. Mount, II | 1984-05-22 |