Peder Ragnvald Køltzow

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Fornebu, NO

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Patents Grantslast 30 patents

Information Patent Grant
Water faucet
- Patent number D837940
- Issue date Jan 8, 2019
- Frost Water AS
- Jon Asle Rivelsrud
- D23 - Environmental heating and cooling

Patents Applicationslast 30 patents

Information Patent Application
DISPENSER FOR MAGNETIC TREATMENT OF WATER
- Publication number 20190112199
- Publication date Apr 18, 2019
- FROST WATER AS
- Jon Asle RIVELSRUD
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE