Uncategorized
Inventor
Lightweight and topless draft arm
Lightweight draft arm
Railroad hopper car underframe transition casting
Sewage treatment
Sewage treatment
Sludge digesting apparatus
LandOfFree
John R. Downes 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 R. Downes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John R. Downes will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-236963