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 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 4796501 | Apparatus for punching out a part from a workpiece In an apparatus for punching out a part from a workpiece or blank, particularly for punching out a segment from a photograph, for the engagement of the workpiece a punching table is arranged under a punching plate which can be rotated away and lowered in ... | 01/10/1989 |
| 4685602 | Plastic-mold cutting apparatus using supersonic waves A plastic-mold cutting apparatus using supersonic waves, equipped with a horn allowed to vibrate by supersonic waves from a supersonic oscillator, applies its horn on a plastic mold to cut the plastic mold at a prescribed position by use of the vibrationa... | 08/11/1987 |
| 4302998 | Fast operation device for the head in die-cutting machines, particularly flag type Fast head operating device for flag type die-cutting machines, comprising a hydraulic circuit with one end connected to a feed pump and the other to two cylindrical chambers defined at the base of a column supporting the head of the die-cutting machine, t... | 12/01/1981 |
