Willem Sjoerd Dijkstra

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Witmarsum, NL

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Patents Grantslast 30 patents

Information Patent Grant
Power dental cleaning appliance with actuator system for producing...
- Patent number 8,572,790
- Issue date Nov 5, 2013
- Koninklijke Philips N.V.
- Hendrik Richard Jousma
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
POWER DENTAL CLEANING APPLIANCE WITH ACTUATOR SYSTEM FOR PRODUCING...
- Publication number 20110258793
- Publication date Oct 27, 2011
- Koninklijke Philips Electronics N.V.
- Hendrik Richard Jousma
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ELECTRO-MECHANICAL MASSAGE DEVICE AND WEARABLE MASSAGE APPARATUS
- Publication number 20100056847
- Publication date Mar 4, 2010
- Koninklijke Philips Electronics N.V.
- Gerrit Jan De Jong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ELECTRO-MECHANICAL MASSAGE DEVICE AND WEARABLE MASSAGE APPARATUS
- Publication number 20100048980
- Publication date Feb 25, 2010
- Koninklijke Philips Electronics N.V.
- Gerrit Jan De Jong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE