CS

Charles D. Spragg

BT Bridgestone Firestone North American Tire: 2 patents #9 of 36Top 25%
📍 Hudson, OH: #7 of 56 inventorsTop 15%
🗺 Ohio: #564 of 5,375 inventorsTop 15%
Overall (2004): #69,780 of 270,089Top 30%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6834696 Runflat tire with cantilever-like sidewall construction Martin A. Yurjevich, Stephen M. Vossberg, James M. Kirby 2004-12-28
6769294 Method of determining potential cause of tire failure by measuring the tire temperature achieved during operating conditions Martin A. Yurjevich, James M. Kirby, Andrew K. Reinhart 2004-08-03