List of Edison patents

Edison is credited for contributing to various inventions, including the phonograph, the kinetoscope, the dictaphone, the electric lamp (in particular the incandescent light bulb), and the autographic printer.

However, one of Edison's major innovations was the first industrial research and development lab, which was built in Menlo Park and West Orange.

One of Sprague's significant contributions to the Edison Laboratory was the introduction of mathematical methods[citation needed].

Arthur Edwin Kennelly contributed to a variety of Edison's endeavors undertaken to create a unique product or service from 1887 to 1893[citation needed].

This series of patents mainly focus on the phonograph, telegraphy, telephone, and electrical generation and distribution.

His design patents are for phonograph cabinets and light bulbs with substantial decorative features.

Electrographic Vote-Recorder
Circuits for Chemical Telegraphs
U.S. patent 196,747 , Stencil-Pens . Later adapted to be a Tattoo machine .
Patent drawing for Edison's phonograph, 18 May 1880.
U.S. patent 223,898
US Patent 248565 Webermeter ( Electrolysis of water / water splitting )
Patent 465,971, Means for Transmitting Signals Electrically
U.S. patent 0,589,168 , Kinetographic Camera of Edison Company.
U.S. patent 0,865,367 , Edison's fluorescent lamp worked using tungsten of calcium and strontium.
US1255517. Starting and current supplying system for automobiles .