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Class Information
Number: 368/20
Name: Horology: time measuring systems or devices > Astronomical > With navigational display
Description: Subject matter comprising timepiece display means with the specifically disclosed utility of enabling travel route projection.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6947351	Watch equipped with means for determining a location longitude	Sep. 20, 2005
6249485	Bit serial mechanical adder	Jun. 19, 2001
5519673	Clock with constellation display	May. 21, 1996
5269065	Compass including means for displaying constellation data	Dec. 14, 1993
5253225	Compass watch of the mechanically or electromechanically driven type and bezel specifically intended for such a watch	Oct. 12, 1993
4486077	Digital meter with uniform illumination and less inadvertent setting	Dec. 4, 1984
4295212	Linear acoustic array	Oct. 13, 1981