Bruce A. Spangler

MA Madrax: 1 patents #2 of 2Top 100%

📍 Madison, WI: #2,790 of 4,527 inventorsTop 65%

🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%

Overall (All Time): #3,594,012 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D447723	Bicycle rack	—	2001-09-11