Siegfried S. Roy

📍 Amherst, NH: #4 of 16 inventorsTop 25%

🗺 New Hampshire: #88 of 409 inventorsTop 25%

Overall (1989): #56,220 of 140,708Top 40%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4818213	Injection blow molding	—	1989-04-04