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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 |
| 5135505 | Protective catheter device Protective catheter devices are disclosed including a barrel for housing a catheter including a needle extending therefrom. The catheter is slidably retained within the barrel between a fully retracted position and an extended position, in which the needl... | 08/04/1992 |
