Surgical apparatus and instruments, namely, a device for positioning and fastening of implants; surgical apparatus and instruments, namely, a device for positioning of implants and surgical tools

navigational apparatus, namely nautical apparatus for determining and displaying the position of a vessel on a navigational chart

INERTIAL NAVIGATION SYSTEM, COMPRISED OFA STRAPDOWN INERTIAL NAVIGATION UNIT, A CONTROL DISPLAY UNIT AND AIR DATA ADAPTER FOR GENERAL AIRCRAFT USE