Indicating The Time By Other Means Or By Combined Means (electric Or Electromechanical Indicating Subclass 425; Illumination Of Dials And Hand Subclass 213; Indicating By Acoustic Means Subclass 217; Arrangements Producing Acoustic Signals At Preselected Times Subclass 229; Continuously Indicating The Time Optically By Electric Means Subclass 577; Producing Acoustic Time Signals By Electrical Means Subclass 580; Gas Lamp Adjustment By Clockwork Subclass 243; Devices For Cooking Eggs A47j 29/00) [g04b 25/00] Patents (Class 968/243)

There are no patents to show for this class.