78458644
Jul 29, 2004
Jan 8, 2008
Machines and machine tools, namely, ice resurfacing machines, ice scraping machines; motors, namely, spindle motors
MachineryOptical and measuring apparatus and instruments for maintenance of ice in an ice field, namely, ice smoothing and leveling apparatus comprising lasers for measuring purposes, laser control units for measuring purposes, laser transmitters for measuring purposes, and laser receivers for measuring purposes
Electrical and Scientific Apparatus