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John V. Swearengin

📍 Camden, AR: #27 of 89 inventorsTop 35%
🗺 Arkansas: #1,791 of 5,804 inventorsTop 35%
Overall (All Time): #2,262,112 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5777171 Method of purifying arylphenones — 1998-07-07
5601756 Liquid ultraviolet stabilizer and method — 1997-02-11