DT Engineering Co., Ltd.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Safety box
- Patent number 8,573,140
- Issue date Nov 5, 2013
- DT Engineering Co., Ltd.
- Sugaya Miyashita
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Delay unit for door with a door closer, door closer with a delay un...
- Patent number 7,859,203
- Issue date Dec 28, 2010
- DT Engineering Co., Ltd.
- Sugaya Miyashita
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Delay unit for door with a door closer, door closer with a delay un...
- Publication number 20070214725
- Publication date Sep 20, 2007
- DT Engineering Co., Ltd.
- Sugaya Miyashita
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Trademarklast 30 trademarks