Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10563158 | Bacteria-based gas generator | Barry J. Spargo, Justin C. Biffinger, Bradley R. Ringeisen, Erinn C. (Howard) Pirlo, Peter K. Wu +1 more | 2020-02-18 |
| 9663194 | Bouyancy control device | Bradley R. Ringeisen, Peter K. Wu, Barry J. Spargo, Justin C. Biffinger | 2017-05-30 |
| 9327804 | Bacteria-based gas generator | Barry J. Spargo, Justin C. Biffinger, Bradley R. Ringeisen, Erinn C. Howard, Peter K. Wu +1 more | 2016-05-03 |
| 8969635 | Alkane enhancement of waste using microbial pre-treatement | Justin C. Biffinger, Cherie Ziemer, Kurt Henry, Bradley R. Ringeisen | 2015-03-03 |