Gerald Bernard Zerfas

📍 Grand Rapids, MI: #40 of 118 inventorsTop 35%

🗺 Michigan: #1,659 of 6,198 inventorsTop 30%

Overall (2002): #214,830 of 266,432Top 85%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6340096	Inverting spring assembly	—	2002-01-22