BX Tetsuya Co., Ltd.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Door device with pressure difference mitigating mechanism
- Patent number 9,670,697
- Issue date Jun 6, 2017
- BX TETSUYA CO., LTD.
- Shoji Takahashi
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
DOOR DEVICE WITH PRESSURE DIFFERENCE MITIGATING MECHANISM
- Publication number 20150000198
- Publication date Jan 1, 2015
- BX Tetsuya Co., Ltd.
- Shoji Takahashi
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Trademarklast 30 trademarks