Koh; Chwee Guan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koh; Chwee Guan.The latest application filed is for "electrical socket and plug".
- Koh; Chwee Guan - Singapore SG
| Patent | Date |
|---|---|
| Electrical socket and plug Grant 6,692,284 - Koh February 17, 2 | 2004-02-17 |
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