Guthrie Canadian Investments Limited

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Scarborough, CA

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Patents Grantslast 30 patents

Information Patent Grant
Low loss spiders
- Patent number 5,225,802
- Issue date Jul 6, 1993
- Trench Electric, a division of Guthrie Canadian Investments Limited
- Richard F. Dudley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sensitive fault detection system for parallel coil air core reactors
- Patent number 5,027,099
- Issue date Jun 25, 1991
- Guthrie Canadian Investments Limited
- Patrick E. Burke
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Induction heating and melting systems having improved induction coils
- Patent number 4,874,916
- Issue date Oct 17, 1989
- Guthrie Canadian Investments Limited
- Patrick E. Burke
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Gas insulated current transformer
- Patent number 4,775,849
- Issue date Oct 4, 1988
- Guthrie Canadian Investments Limited
- Howard R. Lucas
- H01 - BASIC ELECTRIC ELEMENTS

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