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 |
| 4212100 | Stable N-channel MOS structure An N-channel MOS integrated circuit device having a composite metal gate structure which has improved temperature stability. The gate structure uses a polysilicon layer to separate the conventional metal gate from the conventional underlying gate oxide. T... | 07/15/1980 |
