Patent drawing - Teslapatent645576 - . Public domain imageRelatedPatent drawing - Teslapatent454622 - . Public domain imagePatent drawing - Pat196747 - . Public domain imagePatent drawing - 1670627 - . Public domain imagePatent drawing - IT1090451 patent - . Public domain imagePatent drawing - EolePatent - . Public domain imagePatent drawing - Tapper patent - . Public domain imageMorePatent drawing - Teslapatent645576 - . Public domain imagefile_downloadDownloadcrop_originalOrder Printrate_reviewdescriptionSummary System of Transmission of Electrical Energy.label_outlineTagspatentspatent drawingsus patent officepatents by nikola teslainventionsdate_rangeDate20/03/1900createSourceUSPTOlinkLinkhttp://uspto.gov/copyrightCopyright infopublic domain