JO

John V. O'Brien

CH Chart: 1 patents #4 of 9Top 45%
📍 Shrewsbury, MA: #21 of 69 inventorsTop 35%
🗺 Massachusetts: #1,783 of 6,384 inventorsTop 30%
Overall (2002): #185,875 of 266,432Top 70%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6336344 Dephlegmator process with liquid additive — 2002-01-08