August 17, 1891Signed an application for a patent for improvements to incandescent electric lamps in Queens, New York | ||
August 22, 1891Filed an application for a patent for improvements to incandescent electric lampsRead More | ||
August 26, 1891Signed an application for a patent for improvements to the conductors for incandescent lamps in New York | ||
September 2, 1891Applied for a patent for improvements to the conductors for incandescent lamps.Read More | ||
September 16, 1891Signed an application for a patent for improvements to incandescent lamps | ||
May 24, 1892Issued US Patent No. 475,394 for improvements to incandescent electric lamps | ||
July 19, 1892Issued US Patent No. 479,360 for improvements to the conductors for incandescent lamps | ||
October 14, 1892Signed an application for a patent for improvements in incandescent lamp caps. | ||
April 11, 1893Issued US Patent No. 495,467 for improvements to incandescent lamps. | ||
December 5, 1893Issued US Patent No. 510,018 for improvements in incandescent lamp caps. He’d applied for this patent on October 17, 1892. | ||
October 1, 1895Issued US Patent No. 547,249 for improvements to incandescent lamps | ||
January 28, 1896Issued US Patent No. 553,673 for improvements in incandescent lamps. |