Shigeo Ohkubo

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Misato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Venetian blind
- Patent number 4,643,238
- Issue date Feb 17, 1987
- Tachikawa Corporation
- Takeyoshi Tachikawa
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS