DR

Daniel James Ragsdale

Air Products And Chemicals: 1 patents #37 of 151Top 25%
📍 Quakertown, PA: #4 of 20 inventorsTop 20%
🗺 Pennsylvania: #989 of 4,367 inventorsTop 25%
Overall (1997): #161,832 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5612489 Enhanced sensitivity for oxygen and other interactive gases in sample gases using gas chromatography George H. Smudde, Jr., David A. Zatko 1997-03-18