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David M. Simmons

📍 Francis, UT: #1 of 1 inventorsTop 100%
🗺 Utah: #283 of 1,164 inventorsTop 25%
Overall (2003): #239,218 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6651693 Check valve John M. Simmons, Tom M. Simmons 2003-11-25