SR

Seh Ryu

GD Gulf Research & Development: 1 patents #73 of 106Top 70%
📍 Murrysville, PA: #353 of 521 inventorsTop 70%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,101,418 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4303127 Multistage clean-up of product gas from underground coal gasification John Freel, John C. Montagna 1981-12-01