Bogstad KJETIL

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Patents Grantslast 30 patents

Information Patent Grant
Chemical damper
- Patent number 10,627,131
- Issue date Apr 21, 2020
- Polyseam Limited
- Kjetil Bogstad
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
CHEMICAL DAMPER
- Publication number 20170030609
- Publication date Feb 2, 2017
- Polyseam Limited
- Bogstad KJETIL
- F24 - HEATING RANGES VENTILATING