Number | Name | Date | Kind |
---|---|---|---|
4092486 | Myers | May 1978 | |
4252989 | Blumenthal | Feb 1981 | |
4295673 | Miller | Oct 1981 | |
4353411 | Harter et al. | Oct 1982 | |
4600254 | Whalen | Jul 1986 | |
4807331 | Calucci | Feb 1989 | |
4974915 | Bussard | Dec 1990 | |
4986194 | Bollman | Jan 1991 | |
5044135 | Kroon et al. | Sep 1991 | |
5065832 | Mark | Nov 1991 | |
5231562 | Pierce et al. | Jul 1993 |
Number | Date | Country |
---|---|---|
0514862A | Nov 1992 | EPX |
2144810 | Mar 1973 | DEX |
2039643 | Dec 1994 | GBX |
WO8102495A | Sep 1981 | WOX |
Entry |
---|
Wall Ducts; Multi-Outlet Poles, Van Geel Systems, Trade Catalogue, 1989, pp. 23, 30 and 37. |
Cable Management by Marshall-Tufflex, Trade Catalogue, 1992, pp. 18 to 20. |