Uncategorized
Inventor
Fluteless taps
Fluteless threading tool and method of making it
Method and apparatus for controlling oxygen transfer and...
Method of contracting a hole and tool therefor
No associations
LandOfFree
Jr. Donald P. Welles does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Jr. Donald P. Welles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Jr. Donald P. Welles will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-591288