PH

Philip C. Harwood

DU Dukane: 2 patents #6 of 23Top 30%
📍 Elgin, IL: #243 of 644 inventorsTop 40%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,263,579 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5798599 Ultrasonic transducer assembly using crush foils — 1998-08-25
4277710 Control circuit for piezoelectric ultrasonic generators George H. Johnson 1981-07-07