| Number | Name | Date | Kind |
|---|---|---|---|
| 2487287 | Weber et al. | Nov 1949 | |
| 2970678 | Brinen | Feb 1961 | |
| 3074521 | Woods | Jan 1963 | |
| 3141499 | Bunten | Jul 1964 |
| Entry |
|---|
| Intertherm Cat., Apr. '87, p. 4, Inside corner Baseboard Heater, bottom left side of page. |
| Grainger's Spring 1986 Cat., p. '86, Baseboard Heater Inside Corner, B lower left side of page. |