Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6184531 | Apparatus for real-time airborne particulate radionuclide collection and analysis | Richard W. Perkins | 2001-02-06 |
| 5460224 | Well purge and sample apparatus and method | Ronald Schalla, Ronald M. Smith, Stephen H. Hall, Gregg S. Gustafson | 1995-10-24 |
| 5450900 | Well fluid isolation and sample apparatus and method | Ronald Schalla, Ronald M. Smith, Stephen H. Hall | 1995-09-19 |