Jerzy Borkowicz

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Packaged solid-state surge protector
- Patent number 5,422,779
- Issue date Jun 6, 1995
- Northern Telecom Limited
- Jerzy Borkowicz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Packaged solid-state surge protector
- Patent number 4,939,619
- Issue date Jul 3, 1990
- Northern Telecom Limited
- Jerzy Borkowicz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protection devices and arrangements for telephone lines
- Patent number 4,876,620
- Issue date Oct 24, 1989
- Northern Telecom Limited
- Jerzy Borkowicz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Solid state switching device
- Patent number 4,868,703
- Issue date Sep 19, 1989
- Northern Telecom Limited
- Jerzy Borkowicz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bi-directional overvoltage protection device
- Patent number 4,760,439
- Issue date Jul 26, 1988
- Northern Telecom Limited
- Jerzy Borkowicz
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Interactive overvoltage protection device
- Patent number 4,625,255
- Issue date Nov 25, 1986
- Northern Telecom Limited
- Jerzy Borkowicz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER