GHEGAN JOHN J innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United States	18
#2	Canada	2

#	Industry
#1	Digital networks
#2	Electrical machinery and energy
#3	Audio-visual technology
#4	Semiconductors
#5	Control
#6	Machines

#	Technology
#1	Digital information transmission
#2	Electric switches
#3	Electrically-conductive connections
#4	Special information storage
#5	Unspecified technologies
#6	Television
#7	Resistors
#8	Alarm systems
#9	Semiconductor devices

#	Name	Total Patents
#1	Ghegan John J	20

Publication	Filing date	Title
US1549355A	1924-02-12	Vacuum-tube contact
US1557155A	1924-02-11	Telegraph instrument
US1618003A	1923-04-13	Variable grid leak
US1485912A	1923-04-13	Phonograph connection for telephone receivers
US1548596A	1921-06-11	Adjustable magnetic yoke
US1275902A	1918-07-03	Electric signaling apparatus.
US1202179A	1915-12-15	Morse transmitting-key.
US1152018A	1914-05-07	Telegraph-circuit.
US1123122A	1913-08-01	Fire-alarm box.
US1140151A	1913-04-25	Telegraphic instrument.
US872228A	1907-07-25	Quadruplex-telegraph system.
US887038A	1907-05-20	Duplex telegraph.
US844278A	1905-10-18	Telegraph-key.
US815809A	1905-01-28	Telegraph-key.
US793063A	1904-01-27	Electrical instrument.
US757736A	1902-07-03	Multiplex telegraphy.
US697834A	1901-08-20	Circuit-controller.
US1162765A	None	Holder for crystal detectors.
CA25474A	None	Automatic electric liquid level indicator
CA24852A	None	Automatic electric liquid level indicator and controller