Uncategorized
Inventor
Country: United States Of America
Improvements in the method of, and machines for mining coal,
Improvements on tools for metal working lathes and planers
Machine for ripping, surfacing and matching lumber
Improvements in the method of, and machines for mining coal,
Improvements on tools for metal working lathes and planers
Machine for ripping, surfacing and matching lumber
LandOfFree
John Du Bois does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with John Du Bois, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John Du Bois will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-312169