Kotka
Finland
3
2016-12-22
The entities that hold a legal rights for patent applications filed by inventor Ruottu Seppo:
Seppo Ruottu from Kotka, FI has applied for patents for these inventions. The list has both pending applications and granted patents:
A WASTEWATER PURIFICATION SYSTEM
#2 | 2016-01-07Circulating mass dryer and method for drying wet sludge
#3 | 2013-12-05Method to enhance operation of circulating mass reactor and method to carry out such reactor
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