IB

Ivor Barens

📍 Toronto, CA: #3,468 of 9,482 inventorsTop 40%
Overall (All Time): #2,290,416 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5467660 Variable-speed gear mechanism — 1995-11-21
5065638 Variable ratio transmission — 1991-11-19