Number | Name | Date | Kind |
---|---|---|---|
D188467 | Dunckel | Jul 1960 | |
D318929 | Herst et al. | Aug 1991 | |
2218731 | Tuck et al. | Oct 1940 |
Entry |
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Advertisement of Litecontrol Corporation for "CLASSICA" Architectural Fluorescent Lighting Fixture, Architectural Lighting, Apr./May 1993 edition. |
Advertisement of Zumtobel Lighting, Inc. for fluorescent lighting fixture, Architectural Lighting, Oct./Nov. 1993 edition. |
Harrington & King Perforating Co. Grills of Perforated Metal Catalog .COPYRGT.1932, p. 5, Round Perforation Panel-Indented. |