Henry G. Petrow

📍 Watertown, MA: #6 of 37 inventorsTop 20%

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

Overall (1989): #106,361 of 140,708Top 80%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4841997	Method for setting hair or fur	—	1989-06-27