William T. Niznik

📍 Lublin, WI: #1 of 2 inventorsTop 50%

🗺 Wisconsin: #17,084 of 40,088 inventorsTop 45%

Overall (All Time): #2,166,819 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
7108451	Rotating concrete finishing trowel	Charles J. Ewer	2006-09-19
7018132	Rotating concrete finishing trowel	Charles J. Ewer	2006-03-28