Donald K. Ferguson

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Peterborough, CA

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Patents Grantslast 30 patents

Information Patent Grant
High voltage current limiting device
- Patent number 6,157,286
- Issue date Dec 5, 2000
- General Electric Company
- Radhakrishnan Ranjan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current transformer secondary voltage limiter
- Patent number 4,538,202
- Issue date Aug 27, 1985
- Canadian General Electric Company Limited
- Donald K. Ferguson
- H01 - BASIC ELECTRIC ELEMENTS