DB

David A. Bies

📍 Pimba, AU: #31 of 142 inventorsTop 25%
Overall (All Time): #2,311,053 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5136926 Vibration generator with a control valve in an inertial body controlled by a wave form shape of fluid flow to the valve Stewart G. Page 1992-08-11
4660448 Sound reducing means 1987-04-28