HS

Hermann Schwelling

📍 Salem, DE: #1 of 4 inventorsTop 25%
Overall (1989): #26,149 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4830295 Knife roller for paper shredder 1989-05-16
4809916 Wiper for the cutting mechanism of a shredder 1989-03-07