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Patent applications and USPTO patent grants for SONGSAN SPECIAL ELEVATORS CO., LTD..The latest application filed is for "emergency elevator".
Patent | Date |
---|---|
Emergency elevator Grant 10,843,897 - Kim November 24, 2 | 2020-11-24 |
Emergency Elevator App 20190367324 - Kim; Gi-Young | 2019-12-05 |
Supersized elevator for use in building large ship or offshore plant Grant 9,878,879 - Kim January 30, 2 | 2018-01-30 |
Supersized Elevator For Use In Building Large Ship Or Offshore Plant App 20170107081 - KIM; Gi-Young | 2017-04-20 |
Horseback Riding Apparatus for Amusement Parks App 20130068125 - Kim; Un-Young | 2013-03-21 |
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