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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 |
| 7915994 | Thermal variable resistance device with protective sheath A sensor and method of manufacturing a variable resistance sensor with a protective sheath that is cost effective and highly reliable, with stable resistance with an operating range of up to 1700° C. in hostile environments. The sheath is formed of highly stable di... | 03/29/2011 |
| 7782171 | Extended temperature range heater An electric resistive heater having an extended temperature range and repeatable heating characteristics. The resistor being formed of a material having at least one noble metal and an oxide selected from the group consisting of yttrium oxide, cerium oxide, zirconiu... | 08/24/2010 |
| 7611280 | EMF sensor with protective sheath A rugged sensor and method for manufacturing such, for use in hostile environments, the sensor exhibiting high mechanical strength to protect the sensor from physical damage. The sensor system also including a modular component that may variously be connected to the... | 11/03/2009 |
| 7518478 | Mounting bracket for a security device A universal magnetic switching assembly for detecting relative movement between first and second members, the universal switching assembly mounted on a bracket that may be used to adjust the positioning of the magnetic components relative to each other on opposing m... | 04/14/2009 |
| 7248136 | Tamperproof magnetic switch assembly with universal switch A universal magnetic switching assembly for detecting relative movement between first and second members, the universal switching assembly including, a flux directing device for selectively directing a majority of applied magnetic flux, such that an externally appli... | 07/24/2007 |
| 7218194 | Tamperproof magnetic switch assembly An improved magnetic switching assembly for detecting relative movement between first and second members, the switching assembly including a flux directing device for channeling a majority of applied magnetic flux away from a shiftable body such that an externally a... | 05/15/2007 |
| 7187259 | Mounting bracket for a security device A universal magnetic switching assembly for detecting relative movement between first and second members, the universal switching assembly mounted on a bracket that may be used to adjust the positioning of the magnetic components relative to each other on opposing m... | 03/06/2007 |
| 7137297 | System and method for non-contact forming of parts to a fluid sensor assembly A method for coupling components of a fluid sensor assembly for a vehicle, the method comprising the steps of providing a body portion of a fluid sensor assembly with a joining section that has a mating surface, providing a head portion of a fluid sensor assembly wi... | 11/21/2006 |
| 7131768 | Extended temperature range EMF device A sensor and method of manufacturing an extended temperature range EMF sensor that is cost effective and highly reliable, with a stable EMF output and with an operating range of up to 1700° C. in hostile environments. The sensor is formed of highly stable dispersio... | 11/07/2006 |
| 7061364 | Thermal variable resistance device with protective sheath A sensor and method of manufacturing a variable resistance sensor with a protective sheath that is cost effective and highly reliable, with stable resistance with an operating range of up to 1700° C. in hostile environments. The sheath is formed of highly stable di... | 06/13/2006 |
| 7026908 | Extended temperature range thermal variable-resistance device A sensor and method of manufacturing an extended temperature range variable resistance sensor that is cost effective and highly reliable, with stable resistance with an operating range of up to 1700° C. in hostile environments. The sensor is formed of highly stable... | 04/11/2006 |
| 6881932 | High reliability heater modules An improved air data sensing probe de-icing system that provides for dramatically increased reliability and lifespan, utilizing solid-state heating elements that are electrically connected in parallel and having inherent temperature control, where each of the heatin... | 04/19/2005 |
| 6498654 | Optical proximity detector A proximity detector for detecting the position of a magnetic target having a transceiver module with a light emitting source, an optical detector, and a 2×2 optical coupler joining the light emitting source and optical detector is provided. A sensor hav... | 12/24/2002 |
| 5888097 | Backshell assembly for repairable cable assembly There is provided a backshell assembly for a repairable cable assembly having a cable with wires and an electrical connector including an electrically conductive housing with an opening and electrical contacts mounted inside the housing, where the wires a... | 03/30/1999 |
