William J. Cohen

📍 Hingham, MA: #3 of 9 inventorsTop 35%

🗺 Massachusetts: #582 of 2,831 inventorsTop 25%

Overall (1989): #44,587 of 140,708Top 35%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4889076	Nest trap for laying hens	—	1989-12-26