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 |
| 7532807 | Combined editing system and digital moving picture recording system A moving picture recording device includes a random-access, computer-readable and writable storage medium to provide non-linear access to recorded clips. The device provides digital capture of both video and audio information. Multiple data paths are provided to all... | 05/12/2009 |
| 5028748 | Limit switch A limit switch comprising a case housing a switching unit, a head secured to one end of the case, a rotary shaft rotatably supported by the head and having a flat portion, a manipulation lever secured at a butt end thereof to the rotary shaft which suppor... | 07/02/1991 |
