DS

Douglas J. Stephenson

📍 Brookfield, WI: #469 of 745 inventorsTop 65%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #4,118,330 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4218919 Apparatus for measuring elevation Donald K. Stephenson 1980-08-26