Famous Patents
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 |
| 4145781 | Waterbed mattress and foundation Waterbed mattress and foundation having the size and appearance of a conventional bed. An inner water mattress is supported laterally by a circumscribing framework, and an outer shell is removably mounted over the framework. The shell comprises a peripher... | 03/27/1979 |
