Uncategorized
Inventor
Country: United States Of America
Improvements on mining machies
Improvements on mining machines
Improvements on mining machies
Improvements on mining machines
LandOfFree
Joseph A. Jeffry does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Joseph A. Jeffry, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Joseph A. Jeffry will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-339820