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 |
| 6120064 | Air hose coupler with extended grip An air hose coupler for use in a tractor-trailer air brake system incorporates a body with a first air passage formed therethrough and a first mating face. The first mating face includes a first air orifice which communicates with the first air passage. A... | 09/19/2000 |
