U.S. patents available from 1976 to present.
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Patent No. 5970981

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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Class 140/66 - Sheet metal


Subclass of Class 140 - Wireworking
Definition: Applying barbs of sheet-metal to wire strands.
No. of patents: 3
Last issue date: 08/09/2005


NumberTitleIssue Date
6926262Barbed tape
A barrier structure includes a continuous piece of elongated metal tape. The metal tape includes barbs spaced along an elongate body. Each of the barbs is connected securely to a barb root, and each barb root is connected securely to the elongate body. A first regio...
08/09/2005
4818972Reinforced barbed tape including electrical sensor
A helical barbed tape includes barbs with enhanced rigidity, as well as an electrical sensor wire extending along the length of the helical barbed tape so as to be capable of use in an electronic intrusion detection system to mechanically detect disturban...
04/04/1989
4328955Defensive personnel barrier
A defensive personnel barrier and method for fabrication thereof includes an elongated metal strip having a longitudinally extending bend therein to form a spine extending therealong with laterally opposed flanges extending obliquely from the spine. Each ...
05/11/1982
 
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