DM

David S. McKeehan

EX ExxonMobil: 1 patents #5,661 of 10,161Top 60%
Overall (All Time): #4,018,037 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4528757 Remotely operable apparatus and method for determining the distance and angular orientation between two structurally unconnected members Frans Kopp 1985-07-16