DH

Dennis Hill

AC Apd Cryogenics: 2 patents #2 of 8Top 25%
📍 Pottstown, PA: #3 of 19 inventorsTop 20%
🗺 Pennsylvania: #389 of 4,367 inventorsTop 9%
Overall (1997): #42,370 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5628195 Vibrationally isolated thermal system for a cryogenically cooled device Ralph C. Longsworth 1997-05-13
5595065 Closed cycle cryogenic refrigeration system with automatic variable flow area throttling device Michael Boiarski, Ralph C. Longsworth, Boris Yudin, Lawrence A. Klusmier, Ajay Khatri +1 more 1997-01-21