Did You Know...
...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 |
| 3946699 | Automatic flag storage and display device An automatic flag storage and display device which has a hollow tubular member and a first pole member supported within the tubular member. The axis of the tubular member and the axis of the first pole member are parallel. The first pole member is adapted... | 03/30/1976 |
