Number | Name | Date | Kind |
---|---|---|---|
D318929 | Herst et al. | Aug 1991 | |
1821062 | Kausal | Sep 1931 | |
2710332 | Gogen | Jun 1955 | |
2874271 | Lipscomb | Feb 1959 |
Entry |
---|
Harrington & King Perforating Co. Grills of Peforated Metal Catalog, .COPYRGT.1932, p. 52. Slot Grill. |
Harrington & King Perforating Co. Grills of Perforated Metal Catalog, .COPYRGT.1932, p. 52, Diagonal Slot Grill. |
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. |