Henricus T. J. Janssen

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Oldenzaal, NL

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Patents Grantslast 30 patents

Information Patent Grant
Wheelchair with tilt compensating side frames
- Patent number 5,064,211
- Issue date Nov 12, 1991
- Huka Developments B.V.
- Aloysius G. Huttenhuis
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electrically driven wheelchair with worktop and control unit
- Patent number 4,913,257
- Issue date Apr 3, 1990
- Huka Developments B.V.
- Henricus T. J. Janssen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Wheelchair with tilting seat part
- Patent number 4,759,561
- Issue date Jul 26, 1988
- Huka Developments B.V.
- Henricus T. J. Janssen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE