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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 |
| 6630983 | Apparatuses for developing films, particularly movie films The invention concerns an apparatus for developing films, particularly movie films, comprising a plurality of substantially vertical frames (1), for supporting and winding the film (3), placed within the different treatment rooms, each one of said frames ... | 10/07/2003 |
| 4653890 | Film developing system for microimage recording apparatus A film developing system for microimage recording apparatus providing computer output on microfilm utilizing an elongated film strip movable along a film path and employing heat for developing latent image areas formed on the film at an exposure station i... | 03/31/1987 |
