Recent Examples on the WebThe business traces its roots to 1879, when Edison created the first practical commercial incandescent lamp. Rick Clough, Bloomberg.com, 7 June 2020 The 60-watt standard also takes effect nationwide Wednesday for many types of light bulbs, but not for five types: three-way incandescent lamps, shatter-resistant bulbs, floodlights, candelabra bulbs and incandescent reflector lamps. Bob Egelko, SFChronicle.com, 31 Dec. 2019 In 1880: Thomas Edison received a patent for his electric incandescent lamp.oregonlive, 27 Jan. 2020 The suit challenges the rollbacks for five types of light bulbs: three-way incandescent lamps, shatter-resistant bulbs, floodlights, candelabra bulbs and incandescent reflector lamps. Bob Egelko, SFChronicle.com, 15 Jan. 2020 On President Barack Obama’s last day in office, the Energy Department issued regulations that widened standards for general service lamps and general service incandescent lamps. The Washington Post, Twin Cities, 6 Sep. 2019 On President Barack Obama’s last day in office, the Energy Department issued regulations that widened standards for general service lamps and general service incandescent lamps. The Washington Post, Twin Cities, 6 Sep. 2019 Fact: Edison invented a low volt DC system to power incandescent lamps, but there were drawbacks. Kristen Rogers, CNN, 21 Oct. 2019 On President Barack Obama’s last day in office, the Energy Department issued regulations that widened standards for general service lamps and general service incandescent lamps. The Washington Post, Twin Cities, 6 Sep. 2019 See More