Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447481 | System for detecting air | Doug Duchon, Thomas Paulson, Robert F. Wilson, Jiyan Liu | 2002-09-10 |
| 6344030 | Random speed change injector | Doug Duchon, Thomas Paulson, Robert F. Wilson, Jiyan Liu | 2002-02-05 |