HR

Henry K. Ratcliff

📍 Liverpool, GB: #84 of 417 inventorsTop 25%
Overall (All Time): #1,579,520 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7322431 Advanced ultrasonic processor — 2008-01-29
4588917 Drive circuit for an ultrasonic generator system — 1986-05-13
4554477 Drive circuit for a plurality of ultrasonic generators using auto follow and frequency sweep — 1985-11-19