BUFFALO, MN US

1. 20100186267 Zero clearance attachment - The Zero Clearance Attachment is an attachment device that allows for safely and completely clearing snow or other material 07-29-2010
2. 20100089295 Continuously-Fed Non-Densified Biomass Combustion System 04-15-2010
3. 20090210049 Peripheral overlap stent - peripheral stent with individual segments reduces the occurrence of fatigue fracture failure seen in vessels and tubes having 08-20-2009