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David Steffens

📍 Oklahoma City, OK: #14 of 81 inventorsTop 20%
🗺 Oklahoma: #219 of 811 inventorsTop 30%
Overall (2011): #319,229 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7994407 Harp stand and methods of use thereof Gaye LeBlanc, Michael K. Stewart, II 2011-08-09