Thomas Edison of the Edison patent to charge a more reasonable rate for the use of the Edison patent rights and lowering the price of the electric lamp. On October 8, 1883, the US patent office ruled that Edison's patent was based on the work of William E. Sawyer and was, therefore, invalid. Litigation continued for nearly six years, until October 6, 1889, when a judge ruled that Edison's electric light improvement claim for "a filament of carbon of high resistance" was valid. To avoid a possible court battle with Joseph Swan, whose British patent had been awarded a year before Edison's,
A Lad an' a Lamp A Lad an' a Lamp A Lad an' a Lamp is a 1932 "Our Gang" short comedy film directed by Robert F. McGowan. It was the 119th (32nd talking episode) "Our Gang" short that was released. The film has been criticized as containing racist humor. Fascinated by the story of Aladdin and his magic lamp, the gang gather together with several gasoline and kerosene lamps and lanterns and a few electric lamps hoping that by rubbing them vigorously, a genie will appear. Thanks to a series of coincidences—not least of which involves a friendly stage magician—the kids become convinced that