Dijkstra; Willem Sjoerd
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dijkstra; Willem Sjoerd.The latest application filed is for "power dental cleaning appliance with actuator system for producing a short bristle stroke".
- Dijkstra; Willem Sjoerd - Witmarsum N/A NL
| Patent | Date |
|---|---|
| Power dental cleaning appliance with actuator system for producing a short bristle stroke Grant 8,572,790 - Jousma , et al. November 5, 2 | 2013-11-05 |
| Power Dental Cleaning Appliance With Actuator System For Producing A Short Bristle Stroke App 20110258793 - Jousma; Hendrik Richard ; et al. | 2011-10-27 |
| Electro-mechanical Massage Device And Wearable Massage Apparatus App 20100056847 - De Jong; Gerrit Jan ; et al. | 2010-03-04 |
| Electro-mechanical Massage Device And Wearable Massage Apparatus App 20100048980 - De Jong; Gerrit Jan ; et al. | 2010-02-25 |
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