DD

Duane J. Duncan

📍 Ransomville, NY: #8 of 23 inventorsTop 35%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,188,884 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6832786 Tubular member coupling device David W. Mielke, Jr. 2004-12-21
6709021 Tubular member coupling device David W. Mielke, Jr. 2004-03-23