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 |
| 5515789 | Grip guiding device for aerial cableways A single-cable aerial cableway including guide rails forming a lead-in guide, secured to a stationary cable support structure. The lead-in guide cooperates with a wheel secured to the grip so as to stabilize and position the grip and the load before they ... | 05/14/1996 |
| 4699266 | Transporting apparatus for conveying carriers A conveyor belt transporting apparatus for conveying carriers includes at least one conveyor belt frictionally engaged with the carrier, the conveyor belt formed of two belt layers, one lying on top of the other and extending between pulleys. A friction f... | 10/13/1987 |
