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US2185489A
|
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Muffler
|
|
GB460166A
|
|
Method of and apparatus for winding metal strip edgeways into a variable pitch helix
|
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GB460148A
|
|
Improvements relating to exhaust gas mufflers
|
|
GB358970A
|
|
Improvements relating to exhaust silencers
|
|
US1773443A
|
|
Manufacture of silencers or exhaust tanks for machine guns and other automatic arms
|
|
GB299449A
|
|
Improvements in silencers for machine guns, and other automatic fire-arms
|
|
GB298468A
|
|
Improvements in or relating to silencing devices for internal combustion engines
|
|
GB295652A
|
|
Improvements in or relating to silencing devices for internal combustion engines
|
|
US1763287A
|
|
Damping apparatus for the prevention of noise, flames, and recoil in firearms of the automatic type
|
|
US1763286A
|
|
Damping or absorbing device for firearms for the prevention of sounds, flames, and recoil
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