| Number | Name | Date | Kind |
|---|---|---|---|
| D46438 | Mann | Sep 1914 | |
| 650897 | Hinsdale | Jun 1900 | |
| 2496684 | Upchurch | Feb 1950 | |
| 4646370 | Risberg et al. | Mar 1987 | |
| 4862528 | Clarke et al. | Sep 1989 | |
| 5253376 | Fait | Oct 1993 | |
| 5363517 | Bostolas | Nov 1994 |
| Entry |
|---|
| Federal Government Issued Specification Sheet For Under-Fixture Enclosure FIGS. B4.18.4 and B4.20.3.1. |