Charles D. MacPherson

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Adaptive optical waveguides
- Patent number 6,697,554
- Issue date Feb 24, 2004
- Nortel Networks Limited
- Steven P. McGarry
- G02 - OPTICS
Information Patent Grant
Adaptive optical waveguide router
- Patent number 6,438,295
- Issue date Aug 20, 2002
- Nortel Networks Limited
- Steven P. McGarry
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Adaptive optical waveguides
- Publication number 20020136497
- Publication date Sep 26, 2002
- Steven P. McGarry
- G02 - OPTICS
Information Patent Application
Electrochromic optical attenuator
- Publication number 20020067905
- Publication date Jun 6, 2002
- NORTEL NETWORKS LIMITED
- Charles Douglas MacPherson
- G02 - OPTICS