Yoshihiro Uesugi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Panel shutter device
- Patent number 5,172,742
- Issue date Dec 22, 1992
- Sanwa Shutter Corporation
- Hiroshi Iwasaki
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS