G04G 15 - Time-pieces comprising means to be operated at preselected times or after preselected time intervals

Patents for G04G 15 - Time-pieces comprising means to be operated at preselected times or after preselected time intervals (2,009)
09/1977
09/06/1977	US4045951 Digital electronic timepiece
06/1977
06/28/1977	US4031693 Electronic digital clocks
06/21/1977	US4031470 Operation program-presetting system
06/07/1977	US4027470 Digital timer circuit
03/1977
03/08/1977	US4011428 Microwave oven timer and control circuit
01/1977
01/18/1977	US4004085 Receiving program-presetting system for a television receiver
06/1976
06/08/1976	US3961473 Electronic chess timer
04/1976
04/06/1976	US3949240 Switching circuit for power supply to electronic apparatus
02/1976
02/10/1976	US3938047 Control circuit for use with amplifier