Bizarre Patents
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 |
| 4881348 | Ceramic brick An undeformed weldable insert is inserted into an undercut recess opening at an inner face of an abrasion resistant ceramic brick and thereafter deformed into the undercut and interlocked with the brick. The insert is then welded to a substrate either by ... | 11/21/1989 |
