B60M 1/13

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9255311 Copper alloy conductor, and trolley wire and cable using same, and copper alloy conductor fabrication methodJan 10, 06Feb 09, 16HITACHI METALS, LTD.
8845829 Cu alloy material, method of manufacturing Cu alloy conductor using the same, Cu alloy conductor obtained by the method, and cable or trolley wire using the Cu alloy conductorMar 03, 10Sep 30, 14HITACHI METALS, LTD.
5456962 Ice guard for grooved trolley wireApr 13, 93Oct 10, 95Not available
5411121 Deicing device for cableMar 22, 94May 02, 95HYDRO-QUEBEC