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Highway premarking guidance system
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Patent number 4,247,870
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Issue date Jan 27, 1981
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Her Majesty the Queen in right of Canada, as represented by the Minister of H...
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Lorne G. Gabel
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Method of marking a line along a roadway
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Patent number 4,167,592
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Issue date Sep 11, 1979
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Her Majesty the Queen in Right of the Province of Saskatchewan
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Lorne G. Gabel
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Acoustic grain flow rate monitor
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Patent number 4,004,289
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Issue date Jan 18, 1977
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Canadian Patents and Development Limited
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Thomas G. Kirk
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING