JM

John R. Marshall

U.S. Philips: 1 patents #205 of 1,030Top 20%
📍 Beaverton, OR: #6 of 144 inventorsTop 5%
🗺 Oregon: #46 of 893 inventorsTop 6%
Overall (1989): #23,705 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4849089 Disposable electromanipulation chamber — 1989-07-18
4824241 Atomic spectroscopy David Littlejohn 1989-04-25