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.
PatentStorm News
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 |
| 5001685 | Electronic wristwatch with generator An electronic wristwatch including an a.c. generator having an output which is rectified using a half-wave rectifier. The half-wave rectified output of the generator is stored in a capacitor serving as a secondary power supply. Booster circuitry is operab... | 03/19/1991 |
| 4680021 | Multi-action toy vehicle A multi-action toy vehicle which includes a chassis having wheels coupled thereto. A changing mechanism supported on the chassis changes the center of gravity of the vehicle. A control lever operatively coupled to the changing mechanism acts to control an... | 07/14/1987 |
