Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817228 | Method and apparatus for detecting seal failure | Joe Hubenschnmidt | 2004-11-16 |
| 6701955 | Valve apparatus | William R. McIntire, Hau Nguyen-Phuc Pham, Joseph Hubenschmidt | 2004-03-09 |