Johannis Van Groningen

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Achthuizen, NL

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Patents Grantslast 30 patents

Information Patent Grant
Device for measuring the respiration of a person
- Patent number 5,709,217
- Issue date Jan 20, 1998
- bv Optische Industrie"De Oude Delft"
- Johannis Van Groningen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Device for carrying out an iontophoresis treatment on a patient
- Patent number 5,391,195
- Issue date Feb 21, 1995
- bv Optische Industrie"De Oude Delft"
- Johannis Van Groningen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE