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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 |
| 5226471 | Leak isolating apparatus for liquid cooled electronic units in a coolant circulation system The invention relates to leak isolating apparatus for multiple liquid cooled units in a coolant circulation system. The leak sensing portion of the apparatus comprises a supply flow meter and a return flow meter associated with each unit. The flow meters ... | 07/13/1993 |
| 5220218 | Radiation tolerant complementary MOS logic for bipolar/CMOS integrated circuitry A novel double diffused complementary MOS (DCMOS) logic family is disclosed which allows greater tolerance to total dose gamma radiation. The logic family may be fabricated in conventional power BiCMOS IC technology in which complementary power DMOS outpu... | 06/15/1993 |
| 5194802 | Transconductance current regulator using precisely sampled charges for current control A current regulator providing a highly accurate bidirectional output current, proportional to a control voltage (Vi) and suited to monolithic integration is disclosed. The regulator uses a clocked integrator which integrates an error charge, ar... | 03/16/1993 |
| 5181159 | AC to DC converter having an enhanced power factor The invention relates to an AC to DC converter having an improved power factor achieved by combining boost converter operation at the beginning and ending of each half wave of the AC input waveform, with passive operation at the middle portion of each hal... | 01/19/1993 |
