Sylvania

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==Sylvania Products Company==
===1924-1931===
==Hygrade Sylvania Corporation==
===1931-1942===
==Sylvania Electric Products==
===1942-1959===
===1959-1960===
After Sylvania Electric Products merged with the General Telephone Corporation in 1959, the combined entity became known as General Telephone & Electronics Corporation (GT&E), with the Sylvania name being retained for use on most non-telephone consumer products. 
===1960-1964===
===1964-1965===
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===1965-1967===
===1967-1971===
==GTE Sylvania==
===1971-1974===
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==Sylvania==
===1971-1979===
===1979-present===
Category:Electronics
Category:Technology
Category:Lighting
Category:1920s
Category:1924
Category:Brands