Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519380 | Hydrocarbon extraction of oil from oil sand | Edward L. Diefenthal, Richard H. Schlosberg | 2019-12-31 |
| 10508242 | Vapor phase hydrocarbon extraction of oil from oil sand | Edward L. Diefenthal, Richard H. Schlosberg | 2019-12-17 |
| 10407832 | Protection barriers and methods for making and using same | John P. Kelly, Ronald C. Norris, Frederick J. Curcio | 2019-09-10 |