Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Element or attachment
Inventor
active
Control device for a communications headset
Earbud receiver
No associations
LandOfFree
Helder T. Carvalheira does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Helder T. Carvalheira, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Helder T. Carvalheira will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-2540143