Number | Date | Country | Kind |
---|---|---|---|
198 49 900 | Oct 1998 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4203734 | Winter | May 1980 | |
4332734 | Hengst et al. | Jun 1982 | |
5080699 | Ho et al. | Jan 1992 |
Number | Date | Country |
---|---|---|
40 02 843 C1 | Apr 1991 | DEX |
44 19 734 C2 | Dec 1995 | DEX |
195 43 056 A1 | May 1997 | DEX |
WO 9612524 | May 1996 | WOX |
Entry |
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Gerry O Wood Jan. 1994 Estimating Service Lives of Organic Vapor Cartridges AISA Journal. |