Ha; Don Dongcho
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ha; Don Dongcho.The latest application filed is for "auto-eject gun-lock device with ring-mounted key".
- Ha; Don Dongcho - Long Beach CA
| Patent | Date |
|---|---|
| Lateral thruster unit for marine vessels Grant 7,644,675 - Ha January 12, 2 | 2010-01-12 |
| Lateral thruster unit for marine vessels Grant 7,530,319 - Ha May 12, 2 | 2009-05-12 |
| Auto-eject Gun-lock Device With Ring-mounted Key App 20060288624 - Ha; Don Dongcho | 2006-12-28 |
| Auto-eject gun-lock device with ring-mounted key Grant 7,150,122 - Ha December 19, 2 | 2006-12-19 |
| Lateral thrust drive unit for marine vessels Grant 6,964,590 - Ha November 15, 2 | 2005-11-15 |
| Disk tumbler lock and key, improved means and methods of manufacturing for Grant 6,957,556 - Ha October 25, 2 | 2005-10-25 |
| Fluid flow meter with reduced orientation sensitivity Grant 5,763,774 - Ha , et al. June 9, 1 | 1998-06-09 |
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