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 |
| 4662141 | Roofing element The invention relates to a roofing element, in particular a concrete roofing panel, at whose underside extend a suspension ledge and a base rib, while at least two cross ribs of lesser thickness than the base rib extend in the covering or overlapping regi... | 05/05/1987 |
