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 |
| 6779445 | Intaglio printer An intaglio printer has a form or plate cylinder and a printing or counterpressure cylinder. In addition, at least one screen printing cylinder is provided and transfers screen printing ink to the form or plate cylinder. ... | 08/24/2004 |
| 5437227 | Doctor band displaceable parallel to cylinder's axis of rotation A doctor arrangement for a rotary intaglio printing machine comprises a doctor to remove excess ink from the plate cylinder. The doctor is in the form of a band which extends parallel to the axis of rotation of the plate cylinder against which it is press... | 08/01/1995 |
| 5417762 | Mounting apparatus for doctor blades A blade mounting apparatus for a blade in a coater secures essentially the entire blade length. The coater provides a cross profile adjustment of a suspension flow. The blade mounting apparatus includes an adjustable thrust element engaging the blade alon... | 05/23/1995 |
