Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6220076 | Differential gas analyzer | David B. Layzell, Stephen Hunt, Roy A. Young | 2001-04-24 |
| 5965801 | Apparatus for rapid measurement of hydrogen concentration and its use in the measurement of nitrogenase activity | David B. Layzell, Stephen Hunt, Lawrence J. Winship, Zhongmin Dong | 1999-10-12 |
| 5542284 | Method and instrument for measuring differential oxygen concentration between two flowing gas streams | David B. Layzell, Stephen Hunt | 1996-08-06 |
| 5302268 | Electrolytic apparatus for generating selected concentrations of gas in a flowing gas stream | David B. Layzell, Stephen Hunt | 1994-04-12 |