Number | Date | Country | Kind |
---|---|---|---|
2002-028049 | Oct 2002 | JP |
Number | Name | Date | Kind |
---|---|---|---|
4609465 | Miller | Sep 1986 | A |
4720342 | Takemura et al. | Jan 1988 | A |
D403740 | Kott et al. | Jan 1999 | S |
D416308 | Ward et al. | Nov 1999 | S |
6630069 | Sakashita et al. | Oct 2003 | B2 |
Entry |
---|
“Sterapoe G, Large-Capacity Backwashing-Regenerable Filters,” Published by Mitsubishi Rayon, Co., Ltd. (Oct. 2002). |