Number | Name | Date | Kind |
---|---|---|---|
143774 | Moore | Oct 1873 | |
3516541 | Hardingham | Jun 1970 | |
3713539 | Thompson et al. | Jan 1973 | |
3974599 | Grosh | Aug 1976 | |
4045346 | Swaskey | Aug 1977 | |
4238333 | Tidwell | Dec 1980 | |
4460462 | Arneson | Jul 1984 | |
4922948 | Van Dijk | May 1990 | |
5085770 | Eberhardt | Feb 1992 | |
5297367 | Sainz | Mar 1994 | |
5652008 | Heiligman | Jul 1997 | |
5733444 | Johnson | Mar 1998 | |
5788849 | Hutter, Jr. et al. | Aug 1998 |
Entry |
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Brochure entitled "StreamGuard Nonpoint Source Pullution Control Products" (product: StreamGuard Oil & Grease Catch Basin Insert)--distributed by Foss Entvironment Services of Seattle, Washington (undated). |
1997 Environment Solutions Product Guide for Foss Environmental & Infrastructure of Seattle, Washington. |
Brochure entitled "Hydro-Cartridges Storm Drain Filtration System"--distributed by Geotechnical Marine Corp. (undated). |