| Number | Name | Date | Kind |
|---|---|---|---|
| D258010 | Bowls et al. | Jan 1981 | |
| 4307439 | Sassmannshausen | Dec 1981 |
| Entry |
|---|
| Lightolier Lytespan Trak Lighting catalog, .COPYRGT.1974, p. 7, accent "Lytespot" #7155. |
| Nutone Track, Recessed Fluorescent Specialty Lighting catalog, .COPYRGT.1982, p. 19, "Flares" Tracklight (top). |