Gerald Bernard Zerfas

📍 Grand Rapids, MI: #536 of 1,824 inventorsTop 30%

🗺 Michigan: #27,158 of 86,293 inventorsTop 35%

Overall (All Time): #1,543,963 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
8485495	Pinch clamp	—	2013-07-16
7234677	Pinch clamp	—	2007-06-26
6340096	Inverting spring assembly	—	2002-01-22