CE

Charles J. Ewer

📍 Richland Center, WI: #9 of 24 inventorsTop 40%
🗺 Wisconsin: #17,084 of 40,088 inventorsTop 45%
Overall (All Time): #2,166,818 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7108451 Rotating concrete finishing trowel William T. Niznik 2006-09-19
7018132 Rotating concrete finishing trowel William T. Niznik 2006-03-28