Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685027 | Siphonic flush valve for toilets | — | 1997-11-11 |
| 5660595 | Portable track | Peter A. Ferro, Jr., John C. Vande Velde, Robert J. Sutphen, Valere F. Vande Velde, Cecil R. Behringer, deceased | 1997-08-26 |
| 5647068 | Toilet flushing device with water saving features | — | 1997-07-15 |
| 5611091 | Toilet trip lever arm with integral energy absorbing member | — | 1997-03-18 |