DS

Daniel C. Sawyer

BU Brock Usa: 25 patents #1 of 12Top 9%
📍 Boulder, CO: #186 of 5,018 inventorsTop 4%
🗺 Colorado: #1,171 of 40,980 inventorsTop 3%
Overall (All Time): #134,265 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
D637318 Turf underlayment Steven Lee Sawyer, Richard R. Runkles 2011-05-03
7645501 Multi-layered sports playing field with a water draining, padding layer Lewis A. Bowman, Renald W Colonna, Corey D Comperatore 2010-01-12
7244477 Multi-layered sports playing field with a water draining, padding layer Lewis A. Bowman, Renald W Colonna, Corey D Comperatore 2007-07-17