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US2636893A
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Process for preparing alkyldihaloarsine
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US2636894A
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Process for preparing alkyldihalostibine
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Sear locking device for automatic firearms
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Phase shifter
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Gas tube protector circuit
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Automatic sear
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Method of protecting lenses
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Adjustable rear sight for firearms
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Alternate feed switch for firearms
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Rotatable trigger guard for firearms
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Means for reducing amplitude distortion in cathode-follower amplifiers
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Extractor for firearms
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Cartridge link and feedwheel for disintegrating belts
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Firearm container
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Firing mechanism for automatic firearms with nonaxial rectilinear breechblock motion
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Large aperture telephoto objective
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Bipod
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Hydraulic control means for internal-combustion engines
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Hydroxyalkyl alkylene dinitramines and the corresponding nitrate esters
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US2507450A
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Oxygen generator with integrated initiating device
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