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Patent No. 5823386

Reward Candy Dispenser for Personal Computers

A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.

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Assignee: Invista North America S.ar.l.


Location: Wilmington, DE
No. of patents: 5

NumberTitleIssue Date
7919159Method to make single-layer PET bottles with high barrier and improved clarity
The present invention comprises a blend of polyester and a partially aromatic polyamide with an ionic compatibilizer and a cobalt salt. This blend can be processed into a container that has both active and passive oxygen barrier and carbon dioxide barrier properties...
04/05/2011
7879112Stain-resist compositions
The present invention relates generally to stain-resist compositions, and particularly, but not by way of limitation, to fibers and textiles treated with stain-resist compositions. ...
02/01/2011
7540174Method and apparatus for circular knitting with elastomeric yarn that compensate for yarn package relaxation
When elastomeric yarns are unwound and fed to the needles of a circular knitting apparatus, a yarn package relaxation profile is set, or determined, with corresponding adjustments made to the unwinding speed based on such package relaxation profile. Variably compens...
06/02/2009
7510751Molding of polypropylene with enhanced reheat characteristics
Bottles, containers and other articles are formed from polypropylene compositions that include a reheating agent, such as antimony, carbon black, graphite, titanium, copper, manganese, iron, tungsten, graphite, infra-red absorbing dyes or other infra-red absorbing m...
03/31/2009
7473755Aromatic polyester composition for making stretch blow molded containers
The present invention relates to an aromatic polyester composition for making stretch blow molded containers with improved strain hardening. The polyester composition according to the invention exhibits a low DEG content, a natural stretch ratio of
01/06/2009
 
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