PL

Philip C. Lessard

HT Helix Technology: 1 patents #58 of 132Top 45%
Overall (All Time): #3,743,002 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5517823 Pressure controlled cryopump regeneration method and system Bruce R. Andeen, Gerald J. Fortier, Allen J. Bartlett, Michael J. Eacobacci 1996-05-21