DATAKEY INC innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United States	11
#2	Canada	3
#3	EPO (European Patent Office)	3
#4	Japan	2
#5	WIPO (World Intellectual Property Organization)	1

#	Technology
#1	Registering devices
#2	Data recognition and presentation
#3	Unspecified technologies
#4	Data processing systems
#5	Coin-freed
#6	Electric digital data processing
#7	Transmission
#8	Casings and printed circuits

Publication	Filing date	Title
WO9215177A1	1992-02-17	Apparatus for two wire communication with memory device
US5073703A	1990-03-30	Apparatus for encoding electrical identification devices by means of selectively fusible links
US4752679A	1987-03-02	Receptacle device
US4659915A	1985-10-04	Receptacle design for use with electronic key-like device
US4522456A	1984-01-25	Electronic tag receptacle and reader
US4549076A	1983-03-24	Orientation guide arrangement for electronic key and receptacle combination
US4578573A	1983-03-23	Portable electronic information devices and method of manufacture
US4620088A	1983-03-02	Receptacle design for use with electronic key-like device
US4436993A	1982-01-11	Electronic key
US4379966A	1981-07-23	Receptacle for electronic information key
US4326125A	1980-06-26	Microelectronic memory key with receptacle and systems therefor
US4297569A	1979-06-28	Microelectronic memory key with receptacle and systems therefor