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Peter C. Boetzkes
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North Vancouver, CA
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last 30 patents
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Patent Grant
Railway vehicle motion detector
Patent number
4,752,053
Issue date
Jun 21, 1988
DSL Dynamic Sciences Limited
Peter C. Boetzkes
G01 - MEASURING TESTING
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Patent Grant
Range-enable information system for plural mobile objects
Patent number
4,533,871
Issue date
Aug 6, 1985
DSL Dynamic Sciences Limited
Peter C. Boetzkes
G08 - SIGNALLING