Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650560 | Method and apparatus for analyzing gases containing volatile organic compounds by use of tetraglyme | — | 1997-07-22 |
| 5611844 | Method for sampling and analyzing landfill gas | George Prokuda, James A. Petersen | 1997-03-18 |