Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9618393 | Apparatus for measuring hexavalent chromium in water | Kimberly Anne Schuyler | 2017-04-11 |
| 8699025 | Method and apparatus for measuring hexavalent chromium in water | — | 2014-04-15 |
| 5490916 | Capillary reference half-cell | — | 1996-02-13 |
| 5460224 | Well purge and sample apparatus and method | Ronald Schalla, Ronald M. Smith, John E. Smart, Gregg S. Gustafson | 1995-10-24 |
| 5450900 | Well fluid isolation and sample apparatus and method | Ronald Schalla, Ronald M. Smith, John E. Smart | 1995-09-19 |