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Patent applications and USPTO patent grants for Chen; Han-Liang.The latest application filed is for "aerosol spray can".
Patent | Date |
---|---|
Aerosol spray can Grant 11,261,021 - Chen March 1, 2 | 2022-03-01 |
Aerosol Spray Can App 20210300670 - CHEN; HAN-LIANG | 2021-09-30 |
Aerosol spray can Grant 11,053,068 - Chen July 6, 2 | 2021-07-06 |
Interchangeable self-defense device Grant 10,816,020 - Chen October 27, 2 | 2020-10-27 |
Interchangeable Self-defense Device App 20190249698 - Chen; Han-Liang | 2019-08-15 |
Security alarm with remote triggering device Grant 6,831,559 - Chen December 14, 2 | 2004-12-14 |
Security alarm with remote triggering device App 20040164862 - Chen, Han-Liang | 2004-08-26 |
Electric discharging personal safety device Grant 6,635,975 - Hsieh , et al. October 21, 2 | 2003-10-21 |
Electric discharging personal safety device App 20020041479 - Hsieh, Tien-Di ;   et al. | 2002-04-11 |
Charging seat for a rechargeable flashlight Grant 6,313,604 - Chen November 6, 2 | 2001-11-06 |
Flash light combined with a tear gas injector Grant 5,446,985 - Chen September 5, 1 | 1995-09-05 |
Battery seat Grant D361,980 - Chen September 5, 1 | 1995-09-05 |
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