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HELFRICH; Evert Alle Patent Filings

HELFRICH; Evert Alle

Patent Applications and Registrations

Patent applications and USPTO patent grants for HELFRICH; Evert Alle.The latest application filed is for "personal care device actuator with rattle mitigation".

Company Profile
1.5.9
  • HELFRICH; Evert Alle - Seattle WA
  • Helfrich; Evert Alle - Groningen N/A NL
  • Helfrich; Evert Alle - Bellevue WA
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Personal Care Device Actuator With Rattle Mitigation
App 20200146796 - MILLER; Kevin Arnold ;   et al.
2020-05-14
Personal care device actuator with rattle mitigation
Grant 10,537,414 - Miller , et al. Ja
2020-01-21
Personal Care Device Actuator With Rattle Mitigation
App 20170367802 - MILLER; KEVIN ARNOLD ;   et al.
2017-12-28
Position sensing toothbrush
Grant 9,326,594 - De Vries , et al. May 3, 2
2016-05-03
Position Sensing Toothbrush
App 20150230594 - DE VRIES; JOHANNES HOTZE BERNHARD ;   et al.
2015-08-20
Position sensing toothbrush
Grant 9,049,920 - De Vries , et al. June 9, 2
2015-06-09
Position Sensing Toothbrush
App 20140090197 - BERNHARD; JOHANNES HOTZE ;   et al.
2014-04-03
System for axial bristle motion in a teeth cleaning mouthpiece
Grant 8,667,634 - Steur , et al. March 11, 2
2014-03-11
Interface Structure For Liquid/air Burst Dental Cleaning Appliance
App 20130330687 - Edwards; Dainia ;   et al.
2013-12-12
Position Sensing Toothbrush
App 20120246858 - De Vries; Johannes Hotze Bernhard ;   et al.
2012-10-04
System For Axial Bristle Motion In A Teeth Cleaning Mouthpiece
App 20110258792 - Steur; Jelte ;   et al.
2011-10-27
Dental Cleaning Mouthpiece With Replaceable Bristle Fields
App 20110247159 - Steur; Jelte ;   et al.
2011-10-13

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