Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10359364 | Hybrid spectrophotometer with variable optical path length sampling cell and method of using same | Gary P. Klinkhammer, Donald L. Jackson | 2019-07-23 |
| 8981314 | Method and apparatus for the optical determination of total organic carbon in aqueous streams | Gary P. Klinkhammer, Paul H. McClelland, Don Jackson | 2015-03-17 |
| D415150 | Portable phone | Yutaka Hasegawa | 1999-10-12 |