Music
Instruments
Inventor
active
Sound sustaining device for musical instruments
System and method for communicating location and direction speci
No associations
LandOfFree
Barry A. Groupp does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Barry A. Groupp, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Barry A. Groupp will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1658979