John W. Bierlein

📍 Frankenmuth, MI: #56 of 98 inventorsTop 60%

🗺 Michigan: #49,615 of 86,293 inventorsTop 60%

Overall (All Time): #4,105,257 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4185935	Coupling apparatus	—	1980-01-29