Xu, Chenglin
USPTO Trademark & Patent Filings
Trademark applications and grants for Xu, Chenglin. Xu, Chenglin has 1 trademark applications. The latest application filed is for "YININGYUAN ST"
- Company Aliases
- Xu, Chenglin
- chenglin xu
- Xu, Chenglin - Burlington CA
| Entity Type | INDIVIDUAL |
| Address | No.51 Dengsheng, Lanfang Village, Lanjiang St, Lanxi, Zhejiang CHINA 321100 |
Trademarks Patents
| Patent Application | Date |
|---|---|
| Guided wave optical switch based on an active semiconductor amplifier and a passive optical component 20020076133 - 09/789368 Li, Xun ; et al. | 2002-06-20 |
| Strongly confined polarization-independent single-mode optical ridge waveguide 20010024547 - 09/789447 Huang, Wei-Ping ; et al. | 2001-09-27 |
Mark Image Registration | Serial | Trademark Application Date |
|---|---|
"YININGYUAN ST" 97812176 |
YININGYUAN ST 2023-02-26 |
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