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,
JMI-Edison JohnDel International, Inc. (Jll) in September 1986. John M. Ilao passed on his legacy to his son Ed Ilao, holder of a master's degree in Electrical Engineering and a Registered Professional Engineer. Ed, along with his brother John R. Ilao continues to grow the JMI-Edison name. JMI-Edison JMI-Edison is a Guam company that began in 1978. It was first called JMI Electrical & Air Conditioning, an electrical and air conditioning contracting company. In 1979, the company expanded and added to the family, JMI Motor & Bearing Supply. It was to address the island's increasing demand for new equipment including electric