Uncategorized
Inventor
Door for grain and coal railway cars
Method and apparatus for producing foliated or flake glass
Processing of filament-forming mineral materials
Wall construction for melting tanks
LandOfFree
Frank Day does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Frank Day, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Frank Day will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-240158