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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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| Number | Title | Issue Date |
| 7704418 | Manufacturing optical elements An optical element is manufactured using a replication tool comprising a negative structural feature defined in a replication side of the replication tool, and a peripheral feature formed in the replication side of the replication tool adjacent the negative structur... | 04/27/2010 |
| 7692256 | Method of producing a wafer scale package A method for manufacturing a wafer scale package including at least one substrate having replicated optical elements. The method uses two substrates, at least one of which is pre-shaped and has at least one recess in its front surface. Optical elements are replicate... | 04/06/2010 |
| 7658877 | Manufacturing micro-structured elements According to the invention, a micro-structured element is manufactured by replicating/shaping (molding or embossing or the like) a 3D-structure in a preliminary product using an replication tool (1). The replication tool comprises a spacer portion (1 | 02/09/2010 |
| 7457490 | Micro-optics on optoelectronics The invention concerns the combination of optical elements with active optoelectronic to monolithic optoelectronic systems. An optoelectronic wafer (1) comprising active optical components (2) is provided with (micro-)optical structures. The optical st... | 11/25/2008 |
