WD

William D. Danner

TR Trak: 1 patents #4 of 6Top 70%
📍 Byfield, MA: #19 of 29 inventorsTop 70%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #4,120,231 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4223909 Ski with improved three-dimensional running surface Hans Woitschatzke 1980-09-23