Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070542 | Engine exhaust bypass system for ocean vessel | Joseph B. Davis, David A. Peth | 2011-12-06 |
| 7905947 | Method and apparatus for removing contaminates from air | Joseph B. Davis | 2011-03-15 |