JH

John C. Hamma

DI Dresser Industries: 1 patents #2 of 12Top 20%
📍 Milford, CT: #14 of 39 inventorsTop 40%
🗺 Connecticut: #773 of 2,845 inventorsTop 30%
Overall (2003): #193,695 of 273,478Top 75%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6651507 Pressure gauge having a dampener mechanism Walter J. Ferguson, Jeffrey T. Blake, Michael J. Maloney, Louis A. Rosen 2003-11-25