Uncategorized
Inventor
Continuous plastic sheet manufacture
Continuous thermoplastic sheet manufacture
Method of finishing sheet pyroxylin
Plastic extruding method
Plasticized polyvinyl acetal resin
No associations
LandOfFree
Elmer Robert Derby does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Elmer Robert Derby, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Elmer Robert Derby will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-169983