Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7159851 | Apparatus for deploying and retrieving water sampler | Jerry Ross, Eugene Clark Hayes, Joseph N. Greulich, II | 2007-01-09 |
| 5167802 | Apparatus for sampling pesticide residues in run-off with control of sample pump and distributor valve | Mark W. Sandstrom, Doreen Y. Tai | 1992-12-01 |