Vahakyro
Finland
5
2014-04-17
The entities that hold a legal rights for patent applications filed by inventor VANHALA Kari:
Kari VANHALA from Vahakyro, FI has applied for patents for these inventions. The list has both pending applications and granted patents:
Electric network protection
#2 | 2014-01-02Differential protection in electrical power networks
#3 | 2012-09-20Protection relay
#4 | 2011-12-01CONTROL OF PROTECTION RELAY
#5 | 2010-12-09Control of operation of protection relay
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