GM

Glenn S. Metzelfeld

HB Hayes Industrial Brake: 2 patents #1 of 5Top 20%
📍 Brookfield, WI: #3 of 36 inventorsTop 9%
🗺 Wisconsin: #116 of 1,637 inventorsTop 8%
Overall (1989): #27,002 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4878346 Tab-aligned replaceable cartridge for master cylinder James A. V. Buckely, Donald D. Brown 1989-11-07
4878567 Brake/locking differential James A. Buckley, Donald D. Brown 1989-11-07