Hiroyuki Ebata

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Uozu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Double sash structure
- Patent number 4,333,283
- Issue date Jun 8, 1982
- Yoshida Kogyo K. K.
- Hiroyuki Ebata
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS