James R. Lumsden

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Edmonton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Automatic meter reading transponder
- Patent number 4,388,690
- Issue date Jun 14, 1983
- AEL Microtel Limited
- James R. Lumsden
- G01 - MEASURING TESTING
Information Patent Grant
High speed central office scanner
- Patent number 4,287,567
- Issue date Sep 1, 1981
- Universal Industrial Control Devices Ltd.
- James R. Lumsden
- H04 - ELECTRIC COMMUNICATION TECHNIQUE