U.S. patent number D911,520 [Application Number 35/507,254] was granted by the patent office on 2021-02-23 for electronic stethoscope. This patent grant is currently assigned to VITALCHAINS CORPORATION. The grantee listed for this patent is VITALCHAINS CORPORATION. Invention is credited to Yu-Cheng Huang, Ching-Heng Lin, Tzu-Chih Lin, Kun-Hsi Tsai.
United States Patent | D911,520 |
Lin , et al. | February 23, 2021 |
Inventors: | Lin; Tzu-Chih (Qionglin Township, Hsinchu County, CN), Tsai; Kun-Hsi (Zhubei, CN), Lin; Ching-Heng (New Taipei, CN), Huang; Yu-Cheng (Qionglin Township, Hsinchu County, CN) | ||||||||||
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Applicant: |
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Assignee: | VITALCHAINS CORPORATION (Menlo
Park, CA) |
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Appl. No.: | 35/507,254 | ||||||||||
Filed: | September 26, 2018 |
Int'l Reg. No. | Int'l Reg. Date | Int'l Reg. Publication Date |
Hague Int'l Filing Date |
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DM/202250 | Sep 26, 2018 | Aug 16, 2019 | Sep 26, 2018 |
Current U.S. Class: | D24/134 |
Current International Class: | 2402 |
Field of Search: | ;D24/134,133,135,136,140,189 |
D445184 | July 2001 | Meyer |
D477405 | July 2003 | Sommerfeld |
D527819 | September 2006 | Poulsen |
D589144 | March 2009 | Bagha |
D635667 | April 2011 | Soerensen |
D875927 | February 2020 | Ohashi |
2019/0053778 | February 2019 | Lin |
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