Markku Jonninen

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Lahti, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for accelerated biodegradation of organic matter
- Patent number 6,010,551
- Issue date Jan 4, 2000
- Ideachip Oy
- Markku Jonninen
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Double stage drumshaped composting device
- Patent number 5,843,769
- Issue date Dec 1, 1998
- Biolan Oy
- Markku Jonninen
- C05 - FERTILISERS MANUFACTURE THEREOF