Leo Driessen

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Yuen Long N.T., HK

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Patents Grantslast 30 patents

Information Patent Grant
Drill level indicator
- Patent number 7,069,662
- Issue date Jul 4, 2006
- Black & Decker Inc.
- George CH Fung
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Power tool
- Patent number 7,021,399
- Issue date Apr 4, 2006
- Black & Decker Inc.
- Leo Driessen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Drill level indicator
- Patent number 6,810,596
- Issue date Nov 2, 2004
- Black & Decker Inc.
- George C H Fung
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Coupling mechanism
- Patent number 6,675,911
- Issue date Jan 13, 2004
- Black & Decker Inc.
- Leo Driessen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Interlock mechanism
- Patent number 6,634,439
- Issue date Oct 21, 2003
- Black & Decker Inc.
- Leo Driessen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Coupling method
- Patent number 6,553,642
- Issue date Apr 29, 2003
- Black & Decker Inc.
- Leo Driessen
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Drill level indicator
- Publication number 20040216314
- Publication date Nov 4, 2004
- George Ch Fung
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Drill level indicator
- Publication number 20030029050
- Publication date Feb 13, 2003
- George Ch Fung
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS