Yung; Billy
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yung; Billy.The latest application filed is for "laser leveler with rotatable top section".
- Yung; Billy - Chai Wan HK
- Yung, Billy - Hong kong HK
| Patent | Date |
|---|---|
| Laser leveler with rotatable top section App 20070044332 - Yung; Billy ; et al. | 2007-03-01 |
| Laser leveler with ultrasonic transmitter and receiver App 20070044331 - Yung; Billy ; et al. | 2007-03-01 |
| Bagless vacuum cleaner with improved dirt removal system App 20030084536 - Yung, Billy | 2003-05-08 |
| Bagless canister vacuum cleaner Grant 6,484,350 - Yung November 26, 2 | 2002-11-26 |
| Bagless canister vacuum cleaner App 20020069476 - Yung, Billy | 2002-06-13 |
| Bagless canister vacuum cleaner App 20020011054 - Yung, Billy | 2002-01-31 |
| Bagless vacuum cleaner Grant 6,269,518 - Yung August 7, 2 | 2001-08-07 |
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