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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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Inventor: Anna Gutowska


Address: Richland, WA
No. of patents: 10
Last patent issue date: 06/21/2011

NumberTitleIssue Date
7963116Bulk-scaffolded hydrogen storage and releasing materials and methods for preparing and using same
Compositions are disclosed for storing and releasing hydrogen and methods for preparing and using same. These hydrogen storage and releasing materials exhibit fast release rates at low release temperatures without unwanted side reactions, thus preserving desired lev...
06/21/2011
7316788Materials for storage and release of hydrogen and methods for preparing and using same
The invention relates to materials for storing and releasing hydrogen and methods for preparing and using same. The materials exhibit fast release rates at low release temperatures and are suitable as fuel and/or hydrogen sources for a variety of applications such a...
01/08/2008
7087244Thermogelling oligopeptide polymers
Disclosed is a thermogelling biodegradable aqueous polymer solution useful in providing a bioactive agent delivery system. A thermogelling biodegradable aqueous polymer solution may comprise a biocompatible block and a biodegradable polypeptide block, where the bloc...
08/08/2006
7033571Multiple stimulus reversible hydrogels
A polymeric solution capable of gelling upon exposure to a critical minimum value of a plurality of environmental stimuli is disclosed. The polymeric solution may be an aqueous solution utilized in vivo and capable of having the gelation reversed if at least one of ...
04/25/2006
6979464Reversible geling co-polymer and method of making
The present invention is a thereapeutic agent carrier having a thermally reversible gel or geling copolymer that is a linear random copolymer of an [meth-]acrylamide derivative and a hydrophilic comonomer, wherein the linear random copolymer is in the form of a plur...
12/27/2005
6869588Stimulus sensitive gel with radioisotope and methods of making
The present invention is a thermally reversible stimulus-sensitive gel or gelling copolymer radioisotope carrier that is a linear random copolymer of an [meth-]acrylamide derivative and a hydrophilic comonomer, wherein the linear random copolymer is in the form of a...
03/22/2005
6841617Thermogelling biodegradable aqueous polymer solution
Disclosed is a thermogelling biodegradable aqueous polymer solution useful in providing a bioactive agent delivery system. The present invention provides a thermogelling biodegradable aqueous polymer solution with a polyethylene glycol (PEG) block and a biodegradabl...
01/11/2005
6660247Multiple stimulus reversible hydrogels
A polymeric solution capable of gelling upon exposure to a critical minimum value of a plurality of environmental stimuli is disclosed. The polymeric solution may be an aqueous solution utilized in vivo and capable of having the gelation reversed if at le...
12/09/2003
6296831Stimulus sensitive gel with radioisotope and methods of making
The present invention is a thermally reversible stimulus-sensitive gel or gelling copolymer radioisotope carrier that is a linear random copolymer of an [meth]acrylamide derivative and a hydrophilic comonomer, wherein the linear random copolymer is in the...
10/02/2001
6103528Reversible gelling culture media for in-vitro cell culture in three-dimensional matrices
A gelling cell culture medium useful for forming a three dimensional matrix for cell culture in vitro is prepared by copolymerizing an acrylamide derivative with a hydrophilic comonomer to form a reversible (preferably thermally reversible) gelling linear...
08/15/2000
 
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