Driessen; Leo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Driessen; Leo.The latest application filed is for "drill level indicator".
- Driessen; Leo - Yuen Long N.T. HK
- Driessen; Leo - Royal Palms HK
- Driessen; Leo - Yuen Long HK
- Driessen, Leo - Hong Kong HK
| Patent | Date |
|---|---|
| Drill level indicator Grant 7,069,662 - Fung , et al. July 4, 2 | 2006-07-04 |
| Power tool Grant 7,021,399 - Driessen April 4, 2 | 2006-04-04 |
| Drill level indicator App 20040216314 - Ch Fung, George ; et al. | 2004-11-04 |
| Drill level indicator Grant 6,810,596 - Fung , et al. November 2, 2 | 2004-11-02 |
| Coupling mechanism Grant 6,675,911 - Driessen January 13, 2 | 2004-01-13 |
| Interlock mechanism Grant 6,634,439 - Driessen October 21, 2 | 2003-10-21 |
| Coupling method Grant 6,553,642 - Driessen April 29, 2 | 2003-04-29 |
| Drill level indicator App 20030029050 - Fung, George Ch ; et al. | 2003-02-13 |
| Interlock mechanism App 20020050366 - Driessen, Leo | 2002-05-02 |
| Coupling mechanism App 20020050368 - Driessen, Leo | 2002-05-02 |
| Power tool App 20020020539 - Driessen, Leo | 2002-02-21 |
| Coupling method App 20010023525 - Driessen, Leo | 2001-09-27 |
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