GH

Graham J. Higham

EI Ebara Technologies Incorporated: 2 patents #1 of 2Top 50%
📍 Ashland, MA: #2 of 15 inventorsTop 15%
🗺 Massachusetts: #299 of 3,963 inventorsTop 8%
Overall (1994): #33,136 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5357760 Hybrid cryogenic vacuum pump apparatus and method of operation — 1994-10-25
5305612 Cryopump method and apparatus Craig Perkins 1994-04-26