Douglas A. Puariea

📍 Windom, MN: #1,276 of 2,819 inventorsTop 50%

🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%

Overall (All Time): #2,370,481 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4266486	Rail car door linkage	—	1981-05-12
4240355	Side dumping railroad car	—	1980-12-23