Por-Chu; Chiang

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Vertical blind assembly with an adjustable width
- Patent number 4,936,370
- Issue date Jun 26, 1990
- Por-Chu; Chiang
- William F. Uecker
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS