Roman Katchmar

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Printed circuit board and heat sink arrangement
- Patent number 5,796,582
- Issue date Aug 18, 1998
- Northern Telecom Limited
- Roman Katchmar
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Methods of making printed circuit boards and heat sink structures
- Patent number 5,661,902
- Issue date Sep 2, 1997
- Northern Telecom Limited
- Roman Katchmar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Printed circuit board and heat sink arrangement
- Patent number 5,646,826
- Issue date Jul 8, 1997
- Northern Telecom Limited
- Roman Katchmar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Printed circuit boards and heat sink structures
- Patent number 5,467,251
- Issue date Nov 14, 1995
- Northern Telecom Limited
- Roman Katchmar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronic unit
- Patent number 5,276,584
- Issue date Jan 4, 1994
- Northern Telecom Limited
- Hugh M. Collins
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic module
- Patent number 5,218,516
- Issue date Jun 8, 1993
- Northern Telecom Limited
- Hugh M. Collins
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR