John E. Dumke

📍 Richfield, WI: #80 of 134 inventorsTop 60%

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

Overall (All Time): #3,628,395 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6123479	Hanging multiple page protector	—	2000-09-26