Wei Chen International Inc.

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Ontario, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Sealing mold arrangement for door and window frames
- Patent number 6,725,620
- Issue date Apr 27, 2004
- Wei Chen International Inc.
- Lin Jun Dai
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS