|
US2394316A
|
|
Production of high impulses of energy
|
|
GB533448A
|
|
Improvements relating to electric vibratory motors
|
|
US2301425A
|
|
Electric machine
|
|
GB526896A
|
|
Improvements relating to dynamo-electric machines
|
|
GB519791A
|
|
Improvements in or relating to devices for producing vibrations
|
|
US2220164A
|
|
Device for producing vibrations
|
|
GB517927A
|
|
Improvements in or relating to electric remote control systems
|
|
GB517341A
|
|
Improvements in press-button switches
|
|
US2273121A
|
|
Stroboscope
|
|
GB516626A
|
|
Improvements relating to stroboscopes
|
|
GB516604A
|
|
Improvements in or relating to fluid pump, fan, compressor and like devices
|
|
US2240307A
|
|
Fluid pump
|
|
US2253795A
|
|
Oscillation scanning and measuring apparatus
|
|
GB513502A
|
|
Improvements in electro-magnetic indicators
|
|
US2216620A
|
|
Electromagnetic device
|
|
GB512910A
|
|
Improvements relating to electro-magnetic devices
|
|
US2220163A
|
|
Electric brake
|
|
US2173282A
|
|
Electric motor
|
|
GB505568A
|
|
Improvements in electric brakes
|
|
GB505569A
|
|
Improvements in or relating to electric motors
|
