Weng Ching Yu
USPTO Trademark & Patent Filings
Trademark applications and grants for Weng Ching Yu. Weng Ching Yu has 1 trademark applications. The latest application filed is for "ALLERGY-SHIELDS"
| Patent Application | Date |
|---|---|
| Child safety lock 11,193,312 - 16/587,421 Weng December 7, 2 | 2021-12-07 |
| Electronic mirror visual parameter adjustment method 10,809,801 - 16/413,974 Weng October 20, 2 | 2020-10-20 |
| Stereoscopic distance measurements from a reflecting surface 10,721,458 - 16/220,271 Weng | 2020-07-21 |
| Surround sound based warning system 10,166,999 - 15/893,842 Weng J | 2019-01-01 |
Mark Image Registration | Serial | Trademark Application Date |
|---|---|
"ALLERGY-SHIELDS" 78963803 |
ALLERGY-SHIELDS 2006-08-30 |
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