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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 |
| 5171737 | Emulsions A novel oil and water emulsion useful for delivery of a bioactive agent is disclosed. The emulsion comprises a first HLB requirement amount of surfactant dioleoyl phosphatidylethanolamine. In particular embodiments the emulsion includes a secondary surfac... | 12/15/1992 |
