NH

Norman L. Helgeson

UF US Air Force: 1 patents #133 of 789Top 20%
🗺 California: #8,284 of 26,763 inventorsTop 35%
Overall (2002): #145,891 of 266,432Top 55%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6497137 Annular after reactor with sound attenuator for use in a jet engine test cell and test stand 2002-12-24