Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9725999 | System and methods for steam generation and recovery of hydrocarbons | Anthony Castrogiovanni, Norman W. Hein, Jr., Marvin J. Schneider | 2017-08-08 |
| 9540916 | Apparatus and methods for recovery of hydrocarbons | Anthony Castrogiovanni, Marvin J. Schneider, Norman W. Hein, Jr. | 2017-01-10 |