Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 5030461 | Colored shoyu (soy sauce) Shoyu, a liquid seasoning, has a blackish purple or blackish brown color, however, such color peculiar to the conventional shoyu is decolored and the shoyu is colored various colors such as red, blue, yellow, green, etc., whereby the conventional shoyu ca... | 07/09/1991 |
