Davide De Siena

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Marina di Strongoli (KR), IT

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Patents Grantslast 30 patents

Information Patent Grant
Manhole comprising a device for safety closing and locking the manhole
- Patent number 10,550,540
- Issue date Feb 4, 2020
- Davide De Siena
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
MANHOLE COMPRISING A DEVICE FOR SAFETY CLOSING AND LOCKING THE MANHOLE
- Publication number 20190145079
- Publication date May 16, 2019
- DSG S.r.l.
- Davide De Siena
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES