Hideatsu Wada

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Patents Grantslast 30 patents

Information Patent Grant
Torsion bar apparatus for self-closing door and torque adjusting de...
- Patent number 5,321,870
- Issue date Jun 21, 1994
- Sanyo Electric Co., Ltd.
- Hideatsu Wada
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES