Electric Arc Lamp 246 0 Download here USA002 - US335786 Print Rate this article: No rating No.USA2Patent335,786Year1886CountryUnited States of AmericaDate of ApplicationFebruary 9, 1886 (Filed May 18, 1885)Patent TitleElectric Arc Lamp Documents to download USA002 - US335786 (.pdf, 207.03 KB) - 231 download(s)