HENRY S CONRAD innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United States	20
#2	Canada	9

#	Industry
#1	Electrical machinery and energy
#2	Telecommunications

#	Technology
#1	Electric switches
#2	Selecting

Publication	Filing date	Title
US1595204A	1922-07-14	Automatic telephone system
US1556942A	1921-04-25	Switching mechanism
US1547508A	1921-04-07	Automatic telephone exchange
US1544846A	1921-03-28	Automatic telephone exchange
US1523381A	1920-11-22	Trunk-selecting device
US1523380A	1920-10-22	Connecter switch and bank contact
US1514625A	1920-08-26	Line switches and connection therefor
US1501909A	1920-01-22	Automatic telephone exchange
US1487870A	1919-10-27	Automatic telephone exchange
US1501908A	1919-10-02	Motor control for switching mechanisms
US1495755A	1919-09-27	Automatic telephone exchange
US1488691A	1919-06-20	Automatic telephone exchange
US1491154A	1918-10-23	Line switch and connections
US1489082A	1918-09-30	Telephone exchange
US1475501A	1918-09-09	Switching mechanism
US1475499A	1918-08-03	Line switch and connection
US1475498A	1918-07-13	Relay
US1488690A	1917-10-12	Automatic telephone exchange
US1475497A	1917-08-16	Automatic telephone exchange
US1439427A	1917-07-19	Automatic telephone exchange