BR

Bruce N. Roth

CL Coal Industry (Patents) Limited: 3 patents #21 of 230Top 10%
Overall (All Time): #1,661,067 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5158341 Method of steering a mining machine Foster Lewins, John S. Wykes 1992-10-27
5116103 Method of steering a mining machine Foster Lewins, John S. Wykes 1992-05-26
5106162 Method of steering a mining machine Foster Lewins, John S. Wykes 1992-04-21