Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 4654792 | Data processing system including data input authorization A data processing system includes means for verifying the authority of data-entry devices to input data and the authenticity of such data. The system includes a central data-processing computer, a plurality of data-entry devices connected to the central c... | 03/31/1987 |
| 4612168 | Process for refining brass and aluminum scraps A process for refining brass and cuprous chloride includes contacting solid cuprous chloride with molten brass scrap which converts the zinc in the brass scrap to a zinc chloride fume and which reduces the copper values in the cuprous chloride to molten e... | 09/16/1986 |
| 4446519 | Method and apparatus for providing security for computer software Security for computer software is achieved by providing each purchaser of a software package with an electronic security device which must be operatively connected to the purchaser's computer. The software sends coded interrogation signals to the electron... | 05/01/1984 |
