Dara Cheng

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Wire cutting and twisting tool with spool assembly and manual wire...
- Patent number 7,069,962
- Issue date Jul 4, 2006
- Dara Cheng
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Transparent pipe trap with means of enhancing the biodegradation of...
- Patent number 6,915,814
- Issue date Jul 12, 2005
- Dara Cheng
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Grout and mortar bottle
- Patent number 6,688,500
- Issue date Feb 10, 2004
- Dara Cheng
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...

Patents Applicationslast 30 patents

Information Patent Application
Hong ring pliers with automatic feed apparatus
- Publication number 20060150705
- Publication date Jul 13, 2006
- Dara Cheng
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Wire cutting and twisting tool with spool assembly and manual wire...
- Publication number 20060042713
- Publication date Mar 2, 2006
- Dara Cheng
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Locking stove control knob shield and safety apparatus
- Publication number 20050279348
- Publication date Dec 22, 2005
- Dara Cheng
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Vertically rotatable bicycle storage rack
- Publication number 20040050807
- Publication date Mar 18, 2004
- Dara Cheng
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Debris collection device for use with electrical and hand tools
- Publication number 20040047697
- Publication date Mar 11, 2004
- Dara Cheng
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Transparent pipe trap with means of enhancing the biodegradation of...
- Publication number 20040040597
- Publication date Mar 4, 2004
- Dara Cheng
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...