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 |
| 4055914 | Sound producing device The sound producing device is adapted to be mounted on the handlebars of a bicycle and can produce sound which will simulate the sounds of an internal combustion engine such as is used in a motorcycle. The device includes a housing and an elongated handle... | 11/01/1977 |
| 3999626 | Apparatus and seismic method A seismic generator for communicating from either above or below the surface of the earth is disclosed. The generator includes a system of eccentrically weighted masses such as, for example, unbalanced flywheels, which can be rotated to produce a seismic ... | 12/28/1976 |
