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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7339540 | Sparse and virtual array processing for rolling axle array system A radar signal processing system comprises a processor that determines a respective position of each of a plurality of radiating elements included in a radar array. Each radiating element has a respectively different motion vector from every other one of the plurali... | 03/04/2008 |
| 7199764 | Maintenance platform for a rolling radar array A maintenance platform for use in a rolling radar array system has a base capable of accommodating at least one person. The base is movably coupled to a support frame, along which the base can move along the longitudinal axis of the support frame rails. The height o... | 04/03/2007 |
| 7183989 | Transportable rolling radar platform and system A transportable platform for a rolling radar array system has a base whereupon a track for an array wheel is provided. A segment of the track can be folded for transportation and deployed when the rolling radar array system is to be in an operational mode. The trans... | 02/27/2007 |
| 7156426 | Rotary transmission leadthrough for fluid systems A rotary transmission leadthrough for fluid systems is proposed, by means of which the mobility of a fluid system is increased and new fields of application can therefore be opened up. This is achieved according to the invention in that, in addition to a first rotor... | 01/02/2007 |
| 7129901 | Electromagnetic gravity drive for rolling axle array system An azimuth drive for a radar array comprises an electromagnetic track mounted to a wheel on which the radar array is mounted; and a magnetized carriage assembly operatively coupled to the electromagnetic track and capable of moving along the track in a tangential di... | 10/31/2006 |
| 5913544 | Hinge system for a bracket system New articulated hinge elements are provided for bracket systems with a double-T shaped carrying profile designed for containing electrical cables supplying control equipment that permit the articulated connection between parts or elements of such bracket ... | 06/22/1999 |
| 5851034 | Pipe swivel joint with removable plug for main seal replacement A pipe swivel joint comprises a female conduit element and a male conduit element rotatably engaging the female conduit element. A removable plug within the female conduit element maintains a main seal in proper position for bridging a clearance between t... | 12/22/1998 |
| 5653476 | Leakproof rotary joint A rotary joint for delivering a mixed fluid from a radial inlet of a joint element axially through a high speed rotating shaft. Leakproof protection is first realized by one side of a wear block being compressed against an end face of the shaft. A spring ... | 08/05/1997 |
| 5405173 | Fluid conducting joint A swivel joint connecting articulable fluid conducting arm members of a plumbing assembly includes an inlet member matable with a first arm member and having an inlet fluid passage from the arm member to an inlet collar section. An outlet member is provid... | 04/11/1995 |
| 5372389 | Nozzle swivel joint The nozzle swivel joint includes two couplings which are joined together at mutually flat interface surfaces. Each coupling has an axial flow passage, and the two couplings are held together in mutually rotatable position by a manifold with a threaded end... | 12/13/1994 |
| 5087082 | Rotary joint This invention is directed to a novel rotary joint or coupling which is useful for coupling a rotating element to a non-rotating element. More particularly, this invention is directed to a novel rotary joint or coupling which couples a rotating element to... | 02/11/1992 |
| 4632431 | Sectional rotary joint A rotary joint or union characterized by its ease of assembly, disassembly and maintenance wherein a mounted internal condiut supports a rotary anti-friction bearing housing to which a seal housing is removably attached by bolts. A conduit port defined in... | 12/30/1986 |
| 3990731 | Dual-path, multi-axis swivel coupling for discharge nozzles A swivel coupling having two independent inlets, each communicating with a separate outlet for connection to a dual-flow discharge nozzle. Both outlets swivel about a common axis relatively to the inlets and the pair of inlets are free to swivel about a c... | 11/09/1976 |
