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 |
| D642155 | Megaphone | 07/26/2011 |
| 7356155 | Device and method for assisting vocalists in hearing their vocal sounds The present invention, in one embodiment, includes a reverb device and method for assisting vocalists in hearing their vocal sounds. The reverb device includes a vocal sound receiver, a sound director coupled to the vocal sound receiver and an ear sound deliverer co... | 04/08/2008 |
| D559830 | Foldable megaphone | 01/15/2008 |
| D508720 | Toy voice changer | 08/23/2005 |
| D507256 | Electronic megaphone | 07/12/2005 |
| 6568504 | Multi purpose headgear A multi-purpose device for use in a wide variety of circumstances including at sporting events. The device can (1) serve as a hat or headgear, (2) it can amplify a user's voice, (3) it can be used as a hearing aid, (4) it can be used as a carrying utensil... | 05/27/2003 |
| 5675133 | Horn and sounder The horn and sounder includes an upper body, a lower body, and a mouth piece. The upper and lower bodies are provided at their rear outer periphery with annular ribs to engage with grooves formed inside the mouth piece, so that the mouth piece can bind th... | 10/07/1997 |
