DEAN ELECTRIC CO innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United States	134

#	Industry
#1	Telecommunications
#2	Electrical machinery and energy
#3	Audio-visual technology
#4	Control
#5	Machines
#6	Consumer goods
#7	Mechanical elements

#	Technology
#1	Telephonic communication
#2	Selecting
#3	Electric switches
#4	Loudspeakers and microphones
#5	Sound-producing devices
#6	Alarm systems
#7	Unspecified technologies
#8	Capacitors and switching devices
#9	Dynamo-electric machines
#10	Frames

Publication	Filing date	Title
US1035369A	1912-03-29	Mounting-bracket.
US1048557A	1911-09-18	Conveyance and signaling appliance therefor.
US1039107A	1911-08-16	Governing device.
US1036663A	1911-08-07	Apparatus for training and locking signaling devices and the like.
US1020768A	1911-05-10	Alarm-signal device.
US998162A	1911-05-01	Warning-signal device.
US1043906A	1910-12-27	Pole-changer.
US1057752A	1910-11-25	Signaling device.
US1065151A	1910-11-17	Electric signaling system.
US983029A	1910-10-20	Magneto-electric machine.
US1011169A	1910-10-14	Ignition device.
US1016699A	1910-10-03	Signaling device.
US1022065A	1910-07-11	Ringer.
US975175A	1910-07-05	Alarm system.
US1025532A	1910-06-15	Protective device for electrical apparatus.
US1008122A	1910-06-08	Telephone-casing.
US1042700A	1910-05-07	Signal-box.
US963875A	1910-04-02	Telephone system.
US1086832A	1910-03-02	Portable telephone set.
US998705A	1910-02-19	Telephone-exchange system.