JL

John Longan

📍 Natick, MA: #13 of 57 inventorsTop 25%
🗺 Massachusetts: #1,495 of 6,037 inventorsTop 25%
Overall (2005): #170,464 of 245,428Top 70%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6939397 System for purifying and removing contaminants from gaseous fluids Roger J. Nelsen, Guan Fumin 2005-09-06