WARREN TELECHRON CO innovation strategy

Patent filings in countries

#	Industry
#1	Measurement
#2	Electrical machinery and energy
#3	Machines
#4	Basic communication technologies
#5	Mechanical elements
#6	Furniture and games

#	Technology
#1	Electromechanical clocks
#2	Dynamo-electric machines
#3	Mechanically-driven clocks
#4	Unspecified technologies
#5	Time-interval measuring
#6	Unspecified technologies
#7	Circuits for supplying electric power
#8	Generation of oscillations
#9	Shafts
#10	Domestic washing

Publication	Filing date	Title
US2506379A	1946-04-27	Alarm intensity control
US2312077A	1941-11-25	Process timer
US2286000A	1940-11-01	Calendar clock
US2223207A	1940-02-14	Resetting timer
US2203556A	1939-08-04	Timer
US2260848A	1939-07-07	Vibratory frequency standard
US2260847A	1938-05-27	Vibratory frequency standard
US2130873A	1938-02-23	Rotating dial numeral clock
US2163419A	1937-09-29	Repeating alarm timer
US2082612A	1936-10-20	Advertising clock
US2096620A	1936-10-01	Time switch
US2091841A	1936-09-15	Synchronized clock
US2094481A	1936-02-25	Auxiliary supply for alternatingcurrent systems
GB454491A	1935-03-27	Improvements in or relating to alternating current motors
US2036785A	1934-09-25	Alarm saving clock
US2209802A	1934-08-22	Synchronized spring clock
US2036003A	1934-08-22	Temperature control of motors
US2034499A	1934-06-21	Synchronous motor
US1998297A	1934-05-26	Synchronous motor
US2034498A	1934-05-22	Means for driving large clock hands