...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7360159 | System for creating media presentations of computer software application programs A system for producing presentations of computer application programs that also allows the inclusion of advertising, or other information, into a presentation and which can be updated by a central ad server. When the presentation is viewed offline, default ads are k... | 04/15/2008 |