RG

Roland P. Graham

HT Helix Technology: 1 patents #58 of 132Top 45%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,837,428 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5261244 Cryogenic waterpump Philip A. Lessard, Douglas Aitken, Robert D. Bradford, Steven A. Michaud, Karen J. Manning 1993-11-16