Earmuffs in the nature of headsets for noise control to provide sound quality enhancement; electronic sound amplifiers; electronic sound amplifiers for use in and together with headsets; electronic sound amplifiers with noise control and noise suppression

'amplifi':17,20,30 'control':9,33 'earmuff':1 'electron':15,18,28 'enhanc':14 'headset':6,27 'natur':4 'nois':8,32,35 'provid':11 'qualiti':13 'sound':12,16,19,29 'suppress':36 'togeth':25 'use':22

Ear plugs for hearing protection and noise reduction; personal sound amplifying and hearing protection devices, namely, ear plugs for noise reduction and sound amplification; Hearing protection devices, namely, ear plugs, earmuffs in the nature of headsets for noise reduction to protect ears against excessive noise and injury; electronic headsets for noise reduction with impulse noise protection and suppression

'amplif':24 'amplifi':11 'devic':15,27 'ear':1,17,29,42 'earmuff':31 'electron':48 'excess':44 'headset':36,49 'hear':4,13,25 'impuls':54 'injuri':47 'name':16,28 'natur':34 'nois':7,20,38,45,51,55 'person':9 'plug':2,18,30 'protect':5,14,26,41,56 'reduct':8,21,39,52 'sound':10,23 'suppress':58

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