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 |
| 4015699 | Alphanumeric serial printer with a flexible membrane printing element A serial printer is provided with a multi-position flexible membrane printing element with columns and rows of print characters disposed coplanarly in spaced apart relationship therein, the flexible printing element being differentially positionable along... | 04/05/1977 |
| 3977320 | Electrically controlled postage meter An electromechanical setting mechanism is disclosed, which uses a plurality of solenoid banks to set each print wheel of a postage printing drum. Each bank features two pairs of solenoids which are mounted upon a movable frame. One pair of the two pairs o... | 08/31/1976 |
| 3952153 | Dot matrix printer having selectively actuated printed bars Remotely controlled electric printer, to which each character to be printed is applied as m groups of n bits, comprising a set of n rulers or print bars, the total thickness of which is equal to the height of said character or a line thereof, each charact... | 04/20/1976 |
