DG

David Grewell

BU Branson Ultrasonics: 1 patents #1 of 3Top 35%
📍 Ames, IA: #13 of 66 inventorsTop 20%
🗺 Iowa: #149 of 653 inventorsTop 25%
Overall (1997): #163,507 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5658408 Method for processing workpieces by ultrasonic energy Jeffrey Frantz 1997-08-19