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 |
| 5787993 | Farm implement, with multi-position settings Many openers are mounted on the lateral tool-bar of a farm implement. For crop and fertilizer change, different spacings along the tool-bar are required for the openers. Multi-position tool-mounting structures are provided, for each opener as required. Ea... | 08/04/1998 |
