Margaretha H. Wirawan

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Redondo Beach, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Window assembly
- Patent number 7,278,241
- Issue date Oct 9, 2007
- Margaretha H. Wirawan
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
Window assembly
- Publication number 20050000174
- Publication date Jan 6, 2005
- Margaretha H. Wirawan
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS