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 |
| 7131355 | Lightweight wrench A lightweight, adjustable wrench comprising of a moveable jaw with a reach that is shortened or lengthened with a strap or a cable. The loose end of the strap or cable is secured to the wrench's shank by a cam lock, or similar locking device. Since the strap or cabl... | 11/07/2006 |
| 6971288 | Automatically adjusting self-tightening wrench A self-adjusting wrench having a handle and a jaw member rotationally attached thereto. A smoothly curved handle face opposes a planar face on the jaw member which adjusts for distance from the curved handle face by following a generally circular path around a pinne... | 12/06/2005 |
