...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 |
| D650017 | Hospital privacy label | 12/06/2011 |
| 7631449 | Wristband and clasp therefor A wristband and clasp for securing the wristband to a person is disclosed. The wristband includes at least one attachment aperture. The clasp includes a folding base having a first triangular section connected to a second triangular section and a hinge connecting th... | 12/15/2009 |