Roger Champain

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Les Loges en Josas, FR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for providing a breathing gas with an overpressure and pr...
- Patent number 5,443,061
- Issue date Aug 22, 1995
- Taema
- Roger Champain
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Device for controlling the pressure of a fluid and injection system...
- Patent number 4,848,332
- Issue date Jul 18, 1989
- L'Air Liquide
- Roger Champain
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process and device for supplying respiratory oxygen
- Patent number 4,827,922
- Issue date May 9, 1989
- L'Air Liquide
- Roger Champain
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE