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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7598818 | Temperature compensation for a voltage-controlled oscillator An oscillator is provided that includes an oscillating structure generating an output signal with a frequency that drifts as a function of a parameter of its environment, and a compensation circuit coupled to the oscillating structure. The oscillating structure has ... | 10/06/2009 |
| 7342458 | Negative gain transductance amplifier circuit The invention proposes a negative gain transconductance amplifier circuit (1) for capacitive load that includes: an RC serial circuit connected between an input terminal (E) of the amplifier circuit and a intermediate terminal (A); an amplificat... | 03/11/2008 |
