DS

Donald K. Stephenson

OM Outboard Marine: 2 patents #164 of 426Top 40%
📍 Sussex, WI: #67 of 229 inventorsTop 30%
🗺 Wisconsin: #13,258 of 40,088 inventorsTop 35%
Overall (All Time): #1,684,396 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4323356 Marine transmission control with vibration isolation system 1982-04-06
4218919 Apparatus for measuring elevation Douglas J. Stephenson 1980-08-26
4194485 Throttling passageway to decrease coast-down time of lawn mower engines 1980-03-25