Susumu Maeda

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Ichikawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Window frame having outer frame member made of resin
- Patent number 5,687,518
- Issue date Nov 18, 1997
- Tokuyama Corporation
- Takayuki Endo
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS