Cheng; Li-Der
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cheng; Li-Der.The latest application filed is for "gun attachment mounting structure".
- Cheng; Li-Der - Taipei City TW
- Cheng; Li-Der - Hsichih City Taipei Hsien TW
- Cheng; Li-Der - TAIPEI TW
| Patent | Date |
|---|---|
| Gun Attachment Mounting Structure App 20090038201 - Cheng; Li-Der ; et al. | 2009-02-12 |
| Internal red dot sight Grant 7,234,265 - Cheng , et al. June 26, 2 | 2007-06-26 |
| Internal Red Dot Sight App 20070124982 - Cheng; Li-Der ; et al. | 2007-06-07 |
| Toy gun App 20050075044 - Cheng, Li-Der ; et al. | 2005-04-07 |
| Mouse with water-proof and impact-proof structure App 20030160763 - Cheng, Li-Der ; et al. | 2003-08-28 |
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