Giovanni Varlonga

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Milano, IT

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Patents Grantslast 30 patents

Information Patent Grant
Panel for soundproof and fireproof inner walls
- Patent number 4,130,972
- Issue date Dec 26, 1978
- Giovanni Varlonga
- E04 - BUILDING
Information Patent Grant
Fixed and movable frame fixtures for doors and windows
- Patent number 4,115,972
- Issue date Sep 26, 1978
- Giovanni Varlonga
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS