DB

Donald H. Beutner

DI Dresser Industries: 1 patents #301 of 787Top 40%
📍 Newburgh, IN: #139 of 240 inventorsTop 60%
🗺 Indiana: #19,404 of 33,936 inventorsTop 60%
Overall (All Time): #4,097,120 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4290651 Surface mining method Thomas I. Files 1981-09-22