Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6732386 | Rinse fluid valve for a vacuum toilet | Douglas M. Wallace, Jay D. Stradinger, Mark A. Pondelick, Michael B. Hancock, Arthur J. McGowan, Jr. +1 more | 2004-05-11 |
| 6704947 | Discharge valve for a vacuum toilet | Jay D. Stradinger, Mark A. Pondelick, Douglas M. Wallace, Michael B. Hancock, Arthur J. McGowan, Jr. +1 more | 2004-03-16 |