DL

David K. Landry

HC Hughes Tool Company: 1 patents #83 of 224Top 40%
📍 Westminster, CO: #591 of 944 inventorsTop 65%
🗺 Colorado: #24,093 of 40,980 inventorsTop 60%
Overall (All Time): #3,876,341 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5015401 Bearings grease for rock bit bearings Terry J. Koltermann 1991-05-14