Lai; Jin-Tsai
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lai; Jin-Tsai.The latest application filed is for "insulating ratchet driver with pivoting head".
- Lai; Jin-Tsai - Taichung TW
- Lai; Jin-Tsai - Taichung City TW
- Lai; Jin Tsai - Tainan N/A TW
- Lai; Jin-Tsai - Taichung Hsien TW
- Lai; Jin-Tsai - Nantun District Taichung City TW
- Lai; Jin-Tsai - Taipei TW
- Lai; Jin-Tsai - Shi Hu Tsuen Ta Li Hsiang TW
| Patent | Date |
|---|---|
| Insulating ratchet driver with pivoting head Grant 10,953,523 - Lai March 23, 2 | 2021-03-23 |
| Insulating Ratchet Driver With Pivoting Head App 20190054600 - Lai; Jin-Tsai | 2019-02-21 |
| Ratchet screwdriver Grant 10,183,383 - Lai Ja | 2019-01-22 |
| Ratchet Screwdriver App 20180126520 - Lai; Jin-Tsai | 2018-05-10 |
| Detachable tool assembly for screwdriver Grant 9,908,220 - Lai March 6, 2 | 2018-03-06 |
| Detachable Tool Assembly For Screwdriver App 20170050301 - Lai; Jin-Tsai | 2017-02-23 |
| Screwdriver Grant D777,550 - Lai January 31, 2 | 2017-01-31 |
| Connection device for connecting bit to hand tool Grant 9,550,285 - Lai January 24, 2 | 2017-01-24 |
| Connection Device For Connecting Bit To Hand Tool App 20160008963 - LAI; Jin-Tsai | 2016-01-14 |
| Screwdriver handle Grant D740,640 - Lai October 13, 2 | 2015-10-13 |
| Ratchet screwdriver able to change operating direction Grant 9,108,304 - Lai August 18, 2 | 2015-08-18 |
| Torsion adjusting structure of a screwdriver Grant 8,973,475 - Lai March 10, 2 | 2015-03-10 |
| Torque adjustment device for screwdriver Grant 8,960,058 - Lai February 24, 2 | 2015-02-24 |
| Torque Adjustment Device For Screwdriver App 20140352502 - LAI; Jin Tsai | 2014-12-04 |
| Torsion Adjusting Structure Of A Screwdriver App 20140109732 - LAI; Jin Tsai | 2014-04-24 |
| Ratchet Screwdriver Able To Change Operating Direction App 20130319185 - LAI; Jin Tsai | 2013-12-05 |
| Hand tool torsion adjustment structure Grant 8,590,434 - Lai November 26, 2 | 2013-11-26 |
| Quick-release mechanism for hand tool Grant 8,262,097 - Lai September 11, 2 | 2012-09-11 |
| Hand Tool Torsion Adjustment Structure App 20120210832 - LAI; Jin-Tsai | 2012-08-23 |
| Torque adjustable sleeve assembly Grant 8,220,369 - Lai July 17, 2 | 2012-07-17 |
| Hand tool for adjusting torsion Grant 8,141,463 - Lai March 27, 2 | 2012-03-27 |
| Torque socket assembly Grant 8,122,794 - Lai February 28, 2 | 2012-02-28 |
| Torque socket assembly Grant 8,104,383 - Lai January 31, 2 | 2012-01-31 |
| Bearing adjuster Grant 8,042,244 - Lai October 25, 2 | 2011-10-25 |
| Hand Tool For Adjusting Torsion App 20110179917 - LAI; Jin-Tsai | 2011-07-28 |
| Torque Socket Assembly App 20110132156 - LAI; Jin-Tsai | 2011-06-09 |
| Torque Socket Assembly App 20110094354 - Lai; Jin-Tsai | 2011-04-28 |
| Torque Adjustable Sleeve Assembly App 20110056341 - LAI; JIN-TSAI | 2011-03-10 |
| Quick-release Mechanism For Hand Tool App 20110006489 - LAI; JIN-TSAI | 2011-01-13 |
| Tool And Tool Holder Assembly App 20100308090 - Lai; Jin-Tsai | 2010-12-09 |
| Tool bit Grant D628,456 - Lai December 7, 2 | 2010-12-07 |
| Tool Handle App 20100288087 - Lai; Jin-Tsai | 2010-11-18 |
| Bit Having An Identification Function App 20100275741 - Lai; Jin-Tsai | 2010-11-04 |
| Tool bit Grant D625,983 - Lai October 26, 2 | 2010-10-26 |
| Toolbox having positioning structure Grant 7,806,264 - Lai October 5, 2 | 2010-10-05 |
| Ratchet screwdriver Grant 7,762,161 - Lai July 27, 2 | 2010-07-27 |
| Bearing Adjuster App 20100162547 - Lai; Jin-Tsai | 2010-07-01 |
| Tool handle Grant D617,170 - Lai June 8, 2 | 2010-06-08 |
| Tool handle for an exchangeable screwdriver Grant 7,717,016 - Lai May 18, 2 | 2010-05-18 |
| Hand Tool App 20100101377 - Lai; Jin-Tsai | 2010-04-29 |
| Tool Handle For An Exchangeable Screwdriver App 20100095812 - Lai; Jin-Tsai | 2010-04-22 |
| Tool Box App 20100032327 - LAI; JIN-TSAI | 2010-02-11 |
| Tool handle Grant D609,068 - Lai February 2, 2 | 2010-02-02 |
| Detachable hand tool Grant 7,653,970 - Lai February 2, 2 | 2010-02-02 |
| Ratchet Screwdriver App 20100005931 - LAI; JIN-TSAI | 2010-01-14 |
| Tool handle Grant D600,524 - Lai September 22, 2 | 2009-09-22 |
| Replacement assembly of handle tool Grant 7,467,575 - Lai December 23, 2 | 2008-12-23 |
| Replacement assembly of handle tool App 20080148909 - Lai; Jin-Tsai | 2008-06-26 |
| Tool box Grant 5,957,285 - Lai September 28, 1 | 1999-09-28 |
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