Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4521925 | Nonrecirculating vacuum flush toilet system utilizing fresh water | Forrest B. Busching, William D. Hale, Bjorn R. Kristoffersen | 1985-06-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4521925 | Nonrecirculating vacuum flush toilet system utilizing fresh water | Forrest B. Busching, William D. Hale, Bjorn R. Kristoffersen | 1985-06-11 |