Zbigniew B. Styrna

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Kanata, CA

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Patents Grantslast 30 patents

Information Patent Grant
Data storage system for transferring last entered information from...
- Patent number 5,034,915
- Issue date Jul 23, 1991
- Mitel Corporation
- Zbigniew B. Styrna
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Solid state trunk circuit
- Patent number 4,776,007
- Issue date Oct 4, 1988
- Mitel Corp.
- Zbigniew B. Styrna
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital tone detector
- Patent number 4,694,482
- Issue date Sep 15, 1987
- Mitel Corporation
- Gordon J. Reesor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dynamic memory refresh and parity checking circuit
- Patent number 4,682,328
- Issue date Jul 21, 1987
- Mitel Corporation
- John R. Ramsay
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital tone detector
- Patent number 4,669,114
- Issue date May 26, 1987
- Mitel Corporation
- Gordon J. Reesor
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaking telephone
- Patent number 4,527,014
- Issue date Jul 2, 1985
- Mitel Corporation
- Zbigniew B. Styrna
- H04 - ELECTRIC COMMUNICATION TECHNIQUE