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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 |
| 7372052 | Electron beam method and apparatus for reducing or patterning the birefringence of halogenated optical materials A controlled electron beam and heat will decrease the birefringence of a halogenated optical material under tensile stress. The electron beam and heat irradiation will occur in a chamber under near vacuum conditions. After electron beam irradiation and heating, the ... | 05/13/2008 |
