Renzo Gradi

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Lugano, CH

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Patents Grantslast 30 patents

Information Patent Grant
Ballpoint pen nib provided with a stem with communication flutes
- Patent number 7,004,661
- Issue date Feb 28, 2006
- Premec S.A.
- Renzo Gradi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Ballpoint pen nib provided with a stem with communication flutes
- Publication number 20040258458
- Publication date Dec 23, 2004
- Renzo Gradi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES