Mario Trompetto

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Mercenasco, IT

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Patents Grantslast 30 patents

Information Patent Grant
Ribbon cartridge for printing machines
- Patent number 4,806,033
- Issue date Feb 21, 1989
- Ing. C. Olivetti & C., S.p.A.
- Boris Ukmar
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ribbon cartridge for printing machines
- Patent number 4,789,256
- Issue date Dec 6, 1988
- Ing. C. Olivetti & C., S.p.A.
- Boris Ukmar
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multitrack ribbon cartridge for printing machines
- Patent number 4,669,902
- Issue date Jun 2, 1987
- Ing. C. Olivetti & C., S.p.A.
- Boris Ukmar
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Cartridge for an endless inked ribbon for printing office machines
- Patent number 4,130,367
- Issue date Dec 19, 1978
- Ing. C. Olivetti & C., S.p.A.
- Giampaolo Guerrini
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS