Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10202661 | Recovering chrome from a tannery process | Gary Rennerfeldt, Pansouvanh Douangdara, John Lawrence Quinlain | 2019-02-12 |
| 9783763 | Method of removing a contaminant from a contaminant-containing biological composition useful as a biofuel feedstock | Peter Guay, Ramin Abhari, Peter Z. Havlik, Edward Gary Roth, H. Lynn Tomlinson | 2017-10-10 |
| 9683270 | Method of recovering chrome from a tannery process | Gary Rennerfeldt, Pansouvanh Douangdara, John Lawrence Quinlain | 2017-06-20 |
| 9404064 | Method of removing a contaminant from a contaminant-containing biological composition useful as a biofuel feedstock | Peter Guay, Ramin Abhari, Peter Z. Havlik, Edward Gary Roth, H. Lynn Tomlinson | 2016-08-02 |