Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6012678 | Galley vacuum waste disposal system | Umesh L. Nisargand, William E. Dutcher, Jr. | 2000-01-11 |
| 4521925 | Nonrecirculating vacuum flush toilet system utilizing fresh water | Tyen C. Chen, Forrest B. Busching, Bjorn R. Kristoffersen | 1985-06-11 |