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 |
| 4057361 | Centrifugal pump A centrifugal pump, particularly for liquid fertilizer, whose casing has a central cavity housing an impeller in cantilever attachment to the end portion of a drive shaft. This drive shaft end portion forms a socket engaging the free end of the main drive... | 11/08/1977 |
| 4023625 | Structure mounting a bulldozer assembly to a vehicle Structure for mounting a bulldozer assembly to a vehicle, such as a tractor. The mounting structure includes lift jacks connected to a radiator guard extending about the vehicle engine coolant radiator. The mounting structure includes a portion connected ... | 05/17/1977 |
| 4014219 | Steering shaft coupling A steering shaft coupling for a motor vehicle steering column constructed to join a steering shaft with a steering gear. The coupling has a pair of coupling parts and interconnecting members assembled to transmit driving torque from the steering shaft to ... | 03/29/1977 |
| 3980805 | Quick release sleeve fastener Electrical interconnection apparatus for coaxial cable and the like comprising a shielding sleeve removably slipped about, and covering access ports in, a tubular conductor featuring a snap-on retaining clip. An inwardly extending pin on the inner surface... | 09/14/1976 |
| 3945738 | Detachable connections for cameras or the like A detachable connection in which one of two members has an end telescopically receivable within a mating end of another member and carries a locking part threadedly adjustable transversely of the members into and out of locking reception within an enlarge... | 03/23/1976 |
