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 |
| 6523226 | Sawtooth wire A sawtooth wire for producing an all-steel sawtooth arrangement for processing textile fibers has a wire body having a plurality of teeth arranged successively in the longitudinal direction of the wire body. Each tooth has a tooth bottom and a tooth tip, ... | 02/25/2003 |
| 4903385 | Method for making card roller rings A method for making card roller rings for open-end spinning machines provides that a sawtooth wire (3) is wound onto a tube (1) of multiple ring length (a) and that the teeth (7) of the sawtooth wire (3) are removed at spacings corresponding to the ring l... | 02/27/1990 |
