Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5881995 | Noise attenuating device for butterfly valves | Man-Chun Tse | 1999-03-16 |
| 4433751 | Sound suppressor liner | — | 1984-02-28 |
HB
Hilaire Bonneau
Overall (All Time): #2,247,421 of 4,157,543Top 55%
2
Patents All Time