Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497156 | Method for collecting exhaust gases | — | 2002-12-24 |
| 6200819 | Method and apparatus for providing diluent gas to exhaust emission analyzer | R. Neal Harvey | 2001-03-13 |
| 5804695 | Gas dividing method and apparatus | — | 1998-09-08 |
| 5756360 | Method and apparatus for providing diluted gas to exhaust emission analyzer | R. Neal Harvey | 1998-05-26 |
| 4187162 | Electrochemical cell | — | 1980-02-05 |