David Dezhou Zhao

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Tacoma, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Jalousie window
- Patent number 8,720,111
- Issue date May 13, 2014
- Milgard Manufacturing, Inc.
- David Dezhou Zhao
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Jalousie window
- Patent number 8,286,388
- Issue date Oct 16, 2012
- Milgard Manufacturing Inc.
- David Dezhou Zhao
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
Jalousie Window
- Publication number 20120285091
- Publication date Nov 15, 2012
- Milgard Manufacturing, Inc.
- David Dezhou Zhao
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Jalousie window
- Publication number 20090019774
- Publication date Jan 22, 2009
- David Dezhou Zhao
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS