DZ

David C. Zahn

📍 East Calais, VT: #5 of 6 inventorsTop 85%
🗺 Vermont: #3,027 of 4,968 inventorsTop 65%
Overall (All Time): #4,091,740 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4274222 Construction element and throwing toy made therefrom Anci B. Slovak 1981-06-23