Gao; Defeng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gao; Defeng.The latest application filed is for "hand and press-button dual-way manual pulse generator with built-in indicator lamps".
- Gao; Defeng - Dalian CN
- Gao; Defeng - Liaoning CN
| Patent | Date |
|---|---|
| Hand and press-button dual-way manual pulse generator with built-in indicator lamps Grant 8,299,780 - Yu , et al. October 30, 2 | 2012-10-30 |
| Hand And Press-button Dual-way Manual Pulse Generator With Built-in Indicator Lamps App 20100033168 - Yu; Dehai ; et al. | 2010-02-11 |
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