CA

Clifton E. Alexander

PC Peabody Coal: 1 patents #9 of 33Top 30%
Overall (All Time): #4,096,162 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4287692 Safety apparatus for a mining machine Thomas R. Ford, William S. Smith 1981-09-08