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 |
| 5694890 | Internal combustion engine with sliding valves An internal combustion engine includes slidable valves. Horizontal valve seats of tapered design are associated with inlet and exhaust ports at the top of the engine's combustion chambers. The slidable valves are generally planar and tapered to conform to... | 12/09/1997 |