R. Ian MacDonald

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Reflex optoelectronic switching matrix
- Patent number 4,696,059
- Issue date Sep 22, 1987
- Canadian Patents and Development Limited-Societe Canadienne des Brevets et d'...
- R. I. MacDonald
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Optoelectronic logic
- Patent number 4,506,151
- Issue date Mar 19, 1985
- Her Majesty the Queen in right of Canada, as represented by the Minister of N...
- R. Ian MacDonald
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Broadband high speed optoelectronic semiconductor switch
- Patent number 4,369,371
- Issue date Jan 18, 1983
- Canadian Patents & Dev. Limited
- Elmer H. Hara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optoelectric cross-point switch
- Patent number 4,286,171
- Issue date Aug 25, 1981
- Canadian Patents & Dev. Ltd.
- Elmer H. Hara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE