| Number | Date | Country | Kind |
|---|---|---|---|
| 22772/79[U] | Oct 1979 | ITX |
| Number | Name | Date | Kind |
|---|---|---|---|
| D214324 | Schier et al. | Jun 1969 | |
| D247146 | Watt, Jr. | Feb 1978 |
| Number | Date | Country |
|---|---|---|
| 41449 | Mar 1910 | ATX |
| 1357111 | Feb 1964 | FRX |
| Entry |
|---|
| Sweet's Architectural Catalog File 1962, Sec. 19e/Xa, p. 5, "Nassau" Knob. |
| Sweet's Architectural Catalog File 1970, Sec. 38e/Vo, p. 24, Hook B50-2. |