...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 |
| 4089694 | Glass composition A CaO containing silicate glass composition which can further contain small amounts of lead oxide and barium oxide is generally useful for hermetically sealing the electrical in-leads of various electrical devices. The present glass has a composition rang... | 05/16/1978 |
| 4088894 | (Ba,Sr)F, (Cl,Br) : Eu+2 X-Ray image converters utilizing LaOBr (Tm,Tb) phosphors The performance characteristics of (Ba,Sr)F, (Cl,Br) : Eu+2 phosphors may be improved by combining these phosphors with particular rare earth oxyhalide phosphors. In the preferred embodiments, the latter phosphors have relatively small and well... | 05/09/1978 |