Paolo Cielo

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Thermally activated liquid ink printing
- Patent number 4,275,290
- Issue date Jun 23, 1981
- Northern Telecom Limited
- Paolo Cielo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Electrostatic ink ejection printing head
- Patent number 4,166,277
- Issue date Aug 28, 1979
- Northern Telecom Limited
- Paolo Cielo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printing by modulation of ink viscosity
- Patent number 4,164,745
- Issue date Aug 14, 1979
- Northern Telecom Limited
- Paolo Cielo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printer with electrostatic ink control
- Patent number 4,162,502
- Issue date Jul 24, 1979
- Northern Telecom Limited
- Paolo Cielo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS