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.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7333398 | Device for the indication of elapsed time A device for indicating elapsed time by way of the state of indicators is disclosed, such indicators being arranged in at least four groups such that the first two groups taken together indicate elapsed hours and the second two groups taken together indicate elapsed... | 02/19/2008 |