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Simon Newcomb, astronomer ; 1888
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| Number | Title | Issue Date |
| 4545833 | Method of making a filter bag assembly A filter bag assembly includes a filter media fabricated from synthetic materials, has a heat sealed edge forming a cylinder, with one end of the cylinder being heat sealed (welded) to form a closed container. The other cylinder end is folded over a relat... | 10/08/1985 |
| 4511473 | Fibrous media containing millimicron-sized particulates A self supporting fibrous matrix containing immobilized therein at least about 5% by weight of micro-particulate, with an average diameter less than 1 micron, preferably fumed silica, or alumina, and flocculating amounts of an organic polycationic resin a... | 04/16/1985 |
| 4193683 | Method and apparatus for filtering developing liquid in a photocopier A photocopy machine and method where working solution flows down from a transfer drum into a trough-type filter and is then filtered as it flows into the main portion of a tank for subsequent recirculation over the transfer drum. The filter trough is pref... | 03/18/1980 |
