JH

John T. Harvell

HT Helix Technology: 1 patents #4 of 20Top 20%
📍 Lexington, MA: #30 of 101 inventorsTop 30%
🗺 Massachusetts: #582 of 2,831 inventorsTop 25%
Overall (1989): #95,061 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4860546 Vacuum system with molecular flow line Philip A. Lessard 1989-08-29