LU

Lance D. Underwood

SI Smith International: 1 patents #6 of 18Top 35%
📍 Morrison, CO: #2 of 3 inventorsTop 70%
🗺 Colorado: #215 of 1,224 inventorsTop 20%
Overall (1989): #84,380 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4836307 Hard facing for milled tooth rock bits Madapusi K. Keshavan, Naresh J. Kar, Thomas W. Oldham, Cary A. Roth, Brian J. Armstrong 1989-06-06