Number | Name | Date | Kind |
---|---|---|---|
D131217 | Braun | Jan 1942 | |
D197050 | Orenstein | Dec 1963 | |
D292171 | Berg | Oct 1987 | |
D332904 | Plummer et al. | Feb 1993 | |
D343347 | Lau et al. | Jan 1994 | |
D344881 | Sauerland | Mar 1994 | |
D391143 | Jancsek | Feb 1998 | |
D396397 | Swan | Jul 1998 | |
3044815 | Soss | Jul 1962 | |
4631937 | Debus et al. | Dec 1986 | |
5450735 | Esaki et al. | Sep 1995 | |
5556145 | Takasaki | Sep 1996 |
Entry |
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Hoffman Engineering Company Specifier's Guide, 1995-1996, pp. 574, showing handles, latches and clamps for use on Hoffman custom enclosures. |
Hoffman Engineering Company Specifier's Guide, 1995-1996, pp. 30-, showing door accessories. |