BS

Benjamin L. Sheaffer

BR Brunswick: 2 patents #20 of 88Top 25%
📍 Oshkosh, WI: #4 of 52 inventorsTop 8%
🗺 Wisconsin: #116 of 1,637 inventorsTop 8%
Overall (1989): #30,668 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4844025 Dual spark plug combustion chamber 1989-07-04
4821694 Hypereutectic aluminum-silicon casting alloy William G. Hesterberg, Raymond J. Donahue 1989-04-18