Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7497929 | Pyrolytic conversion of scrap tires to carbon products | Timothy P. Karpetsky | 2009-03-03 |
| 6321609 | Magazine for use with a gas sampling system | Thomas G. Albro, John C. Berends, Jr., Robert S. Marshall, Christopher Dale Sloop | 2001-11-27 |
| 6272937 | Gas sampling system | Thomas G. Albro, John C. Berends, Jr., Robert S. Marshall, Christopher Dale Sloop | 2001-08-14 |
| 6244117 | Means for trapping contaminants contained in a gas | Thomas G. Albro, John C. Berends, Jr., Robert S. Marshall, Christopher Dale Sloop | 2001-06-12 |
| 6167767 | Automated sequential gas sampling system | Thomas G. Albro, John C. Berends, Jr., Robert S. Marshall, Christopher Dale Sloop | 2001-01-02 |