Electric Incandescent Lamp 143 0 Download here USA046 - US455069 Print Rate this article: No rating No.USA46Patent455,069Year1891CountryUnited States of AmericaDate of ApplicationJune 30, 1891Patent TitleElectric Incandescent Lamp Documents to download USA046 - US455069 (.pdf, 145.54 KB) - 146 download(s)