Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 4077404 | Breathing equipment such as resuscitators Breathing equipment, for instance a resuscitator, adapted to supply ambient air or alternatively oxygen from a pressurized source, the equipment including non-rebreathing valve mechanism having inspiration and expiration ports, and arranged to assure auto... | 03/07/1978 |
