| Number | Name | Date | Kind |
|---|---|---|---|
| D131217 | Braun | Jan 1942 | |
| D197050 | Orenstein | Dec 1963 | |
| D332904 | Plummer et al. | Feb 1993 |
| Entry |
|---|
| P. 502 of Hoffman Engineering Company Specifier's Guide, 1995-1996, showing lock kits for enclosures and junction boxes. |
| Pp. 574-575 of Hoffman Engineering Company Specifier's Guide, 1995-1996, showing handles, latches and clamps for use on Hoffman custom enclosures .COPYRGT.1995. |
| Cover page of a DECO brochure, dated Apr., 1993, showing a latch handle. |