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Registered Trademarks
HI-FI and UltraTech are registered trademarks of AEARO Corporation.
K-AMP is a registered trademark of Etymotic Research, Inc.
KEMAR is a registered trademark of Knowles Electronics.
Link-it is a registered trademark of Etymotic Research, Inc.

Trademarks
BKB-SIN is a trademark of Etymotic Research, Inc.
Canal Phone is a trademark of Etymotic Research, Inc.
CFA is a trademark of Pacific Coast Labs.
DFI is a trademark of Etymotic Research, Inc.
Digi-K is a trademark of Etymotic Research, Inc.
D-MIC is a trademark of Etymotic Research, Inc.
E-A-R RING is a trademark of Etymotic Research, Inc.
ERO•SCAN is a trademark of Etymotic Research, Inc.
ETY•COM is a trademark of Etymotic Research, Inc.
HearTips is a trademark of Etymotic Research, Inc.
Isolator is a trademark of Etymotic Research, Inc.
Low-Noise and CUBeDIS are trademarks of Etymotic Research, Inc..
MicroPro is a trademark of Etymotic Research, Inc.
Musician Earplugs is a trademark of Etymotic Research, Inc.
QuickSIN is a trademark of Etymotic Research, Inc.
SIN TEST is a trademark of Etymotic Research, Inc.
Sports Plugs is a trademark of Etymotic Research, Inc.
Tubephone is a trademark of Etymotic Research, Inc.

The ER•20 is also manufactured by AEARO Corporation under license from Etymotic Research, Inc.

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