Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7210307 | Refrigerator ice storage bin with lid A refrigerator having a freezer compartment having an ice maker disposed within the freezer compartment for forming ice pieces and an ice storage bin removably mounted to freezer compartment door below the ice maker having an open top receptacle for receiving ice pi... | 05/01/2007 |
| 6481235 | Ice making device of refrigerator An ice-making device includes a case, an ice tray having a plurality of ice cubes and being rotatably installed clockwise and counterclockwise in the case, and a rotation stopping unit provided at the case and the ice tray to limit a rotation of an ice tr... | 11/19/2002 |
| 4967995 | Combination cover and dispenser for an ice cube tray A cover for an ice cube tray includes a top portion for covering the top of an ice cube tray and sidewalls joined to the top portion which permits the top portion to be raised to a position at which the top position is spaced above the tray top. The cover... | 11/06/1990 |
| 4843827 | Method and apparatus for making ice blocks A repetitive ice block or cube maker in which chilled water flows over a vertical evaporator to form ice blocks within ice freezing pockets of designated shape. The ice blocks are positively released by concurrently heating the evaporator while inducing a... | 07/04/1989 |
| 4714231 | Adjustable mold for the manufacture of concrete elements such as staircases The present invention has as an object an adjustable mold for the manufacture of concrete elements such as staircases of the type having a straight line extent, of which the treads are perpendicular or not perpendicular to the risers. The adjustable mold ... | 12/22/1987 |
