Uncategorized
Inventor
Country: United States Of America
Adjustable wedge journal bearings
Improvements on head chairs for railway switches
Adjustable wedge journal bearings
Improvements on head chairs for railway switches
Improvements on photo-mechanical printing
LandOfFree
William A. Cooper does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with William A. Cooper, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and William A. Cooper will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-269330