Patents
Sitemap › F21 - Lighting › F21Y - Indexing scheme associated with subclasses , and , relating to the form of the light sources › F21Y 103 - Elongated light sources, e.g. fluorescent tubes
Patents for F21Y 103 - Elongated light sources, e.g. fluorescent tubes (5,303)
05/1977
05/24/1977US4025780 Fluorescent light fixture
05/03/1977US4021660 Light fixture
04/1976
04/27/1976US3953725 Illuminating apparatus
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