193993 ⎘
Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people not involving the registering, indicating or recording of other data wherein the time is indicated in figures
Sub-classes:METHOD, SYSTEM AND COMPUTER READABLE STORAGE MEDIUM FOR CONTROLLING OPERATION OF AN ELEVATOR
#2System and method for assessing customer service times
#3Building Traffic Analyzer
#4Instrument for counting the duration of differentiated phases
#5Appliance having a timer