DO

Donald A. Olsen

HT Helix Technology: 1 patents #2 of 11Top 20%
📍 Millis, MA: #1 of 2 inventorsTop 50%
🗺 Massachusetts: #885 of 3,963 inventorsTop 25%
Overall (1994): #140,782 of 165,921Top 85%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5343708 Electronically controlled cryopump Peter W. Gaudet 1994-09-06