Pun; Kam-Wah
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pun; Kam-Wah.The latest application filed is for "door chime transmitter".
- Pun; Kam-Wah - Kong Kong HK
- Pun; Kam-Wah - Kowloon Bay HK
- Pun; Kam-Wah - Hong Kong HK
| Patent | Date |
|---|---|
| Door chime transmitter Grant D392,576 - Pun March 24, 1 | 1998-03-24 |
| Combined motion detector and audible alarm Grant D369,308 - Pun April 30, 1 | 1996-04-30 |
| Combined motion detector and audible alarm Grant D368,042 - Pun March 19, 1 | 1996-03-19 |
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