DZ

David E. Zak

Bridgestone: 2 patents #1,066 of 2,860Top 40%
📍 Akron, OH: #848 of 1,966 inventorsTop 45%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,203,283 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6610804 Iron-based catalyst composition for the manufacture of syndiotactic 1, 2-polybutadiene Steven Luo 2003-08-26
6576725 Iron-based catalyst for producing high-vinyl polybutadiene Steven Luo, Michael W. Hayes, Dennis R. Brumbaugh 2003-06-10