| Number | Date | Country | Kind |
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| 022413/2016 | Oct 2016 | JP | national |
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| 9719629 | Boguslavskiy | Aug 2017 | B2 |
| D797690 | Furutani | Sep 2017 | S |
| D798250 | Furutani | Sep 2017 | S |
| 20030183614 | Yamaguchi | Oct 2003 | A1 |
| 20040149719 | Nakamura | Aug 2004 | A1 |
| 20050072716 | Quiles | Apr 2005 | A1 |
| 20060130763 | Emerson | Jun 2006 | A1 |
| 20070095289 | Arami | May 2007 | A1 |
| 20140021673 | Chen | Jan 2014 | A1 |
| Number | Date | Country |
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| 2013004891 | Jan 2013 | JP |
| Entry |
|---|
| EC21 Inc. <URL: https://diamondhrichard.en.ec21.com/Duplex_Winding_Infrared_Coil_Ceramic--5521314_8834245.html.> Visited Feb. 28, 2018. Duplex Winding Infrared Coil/ Ceramic Cooker/ Heating Plate/Radiant Element/Hob. |
| Modello designs. <URL: https://www.modellocustomstencils.com/collections/medallion-stencils.> Visited Feb. 28, 2018. Medallion Stencils. |