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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 |
| 5099738 | MIDI musical translator A MIDI-compatible musical instrument controller includes a keyboard having a plurality of keys and circuitry for electronically scanning the keyboard and for producing individual key-depression signals for each key being depressed. Each of the individual ... | 03/31/1992 |
