Ted J. Lewandowski

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Arnprior, CA

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Patents Grantslast 30 patents

Information Patent Grant
Transformerless data transmission line driver
- Patent number 5,818,874
- Issue date Oct 6, 1998
- Northern Telecom Limited
- Ted Lewandowski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pulse rejection and duration correction circuit
- Patent number 4,266,099
- Issue date May 5, 1981
- Northern Telecom Limited
- Inanc Kayalioglu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Negative impedance converters
- Patent number 4,151,493
- Issue date Apr 24, 1979
- Northern Telecom Limited
- Ted J. Lewandowski
- H03 - BASIC ELECTRONIC CIRCUITRY