Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8794588 | High pressure actuator regulating valve | — | 2014-08-05 |
| 8445547 | Means of processing fuel grade petroleum coke for use in internal combustion engines | Roger J. Swenson | 2013-05-21 |