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 |
| 4911905 | Method of forming stoichiometric II-VI compounds of high purity The disclosure relates to a method of purifying cadmium and tellurium and forming pure, stoichiometric cadmium telluride therefrom as well as the apparatus for making such cadmium telluride. The cadmium and tellurium are purified by heating each separatel... | 03/27/1990 |
| 4911527 | Fiber optics input device A fiber optics input device receives a light beam from a movable light source relative to the input device for providing input signals to a terminal. The device includes a single plane of parallel, clad optical fibers forming columns of a matrix and anoth... | 03/27/1990 |
| 4910164 | Method of making planarized heterostructures using selective epitaxial growth A lift-off method for forming regions of a first semiconductor such as GaAs (104) in recesses in a substrate of a second semiconductor such as silicon (102) with the surface of the first semiconductor region (104) coplanar with the surface of the second s... | 03/20/1990 |
