Choi; Jong Hak
Patent Applications and Registrations
Patent applications and USPTO patent grants for Choi; Jong Hak.The latest application filed is for "game machine system".
- Choi; Jong Hak - Seoul KR
- Choi; Jong hak - Syosset NY
- Choi; Jong-Hak - Daejeon KR
| Patent | Date |
|---|---|
| Game machine system Grant 10,991,197 - Sakamoto , et al. April 27, 2 | 2021-04-27 |
| Operating device of game machine and game machine Grant 10,964,166 - Sakamoto , et al. March 30, 2 | 2021-03-30 |
| Game Machine System App 20200043283 - Sakamoto; Hidehiko ; et al. | 2020-02-06 |
| Operating Device of Game Machine and Game Machine App 20200043292 - Sakamoto; Hidehiko ; et al. | 2020-02-06 |
| Educational aid for vocabulary and recognition of form spatial structure and word enigma straws Grant 7,789,665 - Choi September 7, 2 | 2010-09-07 |
| Beverage Container with Self Deploying Straw App 20080237246 - Choi; Jong Hak | 2008-10-02 |
| Frangible Envelope Portion with Tear Line App 20080223914 - Choi; Jong Hak | 2008-09-18 |
| Educational Aid for Vocabulary and Recognition of Form Spatial Structure and Word Enigma Straws App 20080227059 - Choi; Jong Hak | 2008-09-18 |
| Micro-welder Grant 7,041,934 - Lee , et al. May 9, 2 | 2006-05-09 |
| Heat-flux gage, manufacturing method and manufacturing device thereof App 20050008062 - Lee, Yeol Hwa ; et al. | 2005-01-13 |
| Heat-flux gage, manufacturing method and manufacturing device thereof Grant 6,837,614 - Lee , et al. January 4, 2 | 2005-01-04 |
| Micro-welder App 20040000537 - Lee, Yeol-Hwa ; et al. | 2004-01-01 |
| Heat-flux gage, manufacturing method and manufacturing device thereof App 20030198276 - Lee, Yeol Hwa ; et al. | 2003-10-23 |
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