Metal working
Method of mechanical manufacture
Roller making
Inventor
active
Arrangement for securing a vane wheel assembly to a grinding tab
Energy-efficient grinding rolls for coal pulverizers
Pulverizer apparatus with horizontal axis pivot scraper
Pulverizer upper gearbox bearing assembly
Retrofitable coiled spring system
No associations
LandOfFree
Robert S. Prairie does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Robert S. Prairie, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Robert S. Prairie will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-437075