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 |
| 6006132 | Atrial defibrillation system including a portable audible speech communication device An atrial defibrillation system monitors activity of a heart, detects atrial fibrillation, and cardioverts detected atrial fibrillation. The system includes an implantable atrial defibrillator including a plurality of operating stages for monitoring heart... | 12/21/1999 |
