Thermo Magnetic Motor 481 0 Download here USA021 - US396121 Print Rate this article: 3.0 No.USA21Patent396,121Year1889CountryUnited States of AmericaDate of ApplicationJanuary 15, 1889Patent TitleThermo Magnetic Motor Documents to download USA021 - US396121 (.pdf, 179.56 KB) - 322 download(s)