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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 |
| 6935361 | Pipe, piping system, radiant heating system, and kit A pipe, piping system, kit, and radiant heating system that include lengths of cross-linked polyethylene pipe, which form connections between flow components. Some embodiments utilize a sheath disposed about the outside of the cross-linked polyethylene pipe to enhan... | 08/30/2005 |
