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Risto Siikarla
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Boca Raton, FL, US
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last 30 patents
Information
Patent Grant
Electronic article surveillance system and tag circuit components t...
Patent number
5,278,573
Issue date
Jan 11, 1994
Sensormatic Electronics Corporation
Risto Siikarla
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for enhancing detection of electronic article...
Patent number
5,109,217
Issue date
Apr 28, 1992
Sensormatic Electronics Corporation
Risto Siikarla
G08 - SIGNALLING
Information
Patent Grant
Electronic article surveillance tag and method for implementing same
Patent number
5,030,940
Issue date
Jul 9, 1991
Sensormatic Electronics Corporation
Risto Siikarla
G08 - SIGNALLING
Information
Patent Grant
Tag device and method for electronic article surveillance
Patent number
4,736,207
Issue date
Apr 5, 1988
Sensormatic Electronics Corporation
Risto Siikarla
G08 - SIGNALLING