Yong; Toong Chuan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yong; Toong Chuan.The latest application filed is for "improved method of assembling metal doors and metal doors assembled thereby".
- Yong; Toong Chuan - Singapore SG
| Patent | Date |
|---|---|
| Method and apparatus for assembling a 2-piece skin door Grant 7,478,469 - Yong January 20, 2 | 2009-01-20 |
| Improved Method of Assembling Metal Doors and Metal Doors Assembled Thereby App 20070193206 - Yong; Toong Chuan ; et al. | 2007-08-23 |
| Method and apparatus for assembling a 2-piece skin door App 20060101644 - Yong; Toong Chuan | 2006-05-18 |
| Fabrication af hollow door using modular panel rib components made from scrap wood App 20060037281 - Yong; Toong Chuan ; et al. | 2006-02-23 |
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