Uncategorized
Inventor
Blasting plug and method of charging a hole with it
Device for loading particulate solids into a void
Hose guide device
Reaction products of resin acids with metals
Ring
LandOfFree
David G. Hay does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with David G. Hay, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and David G. Hay will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-275895