Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Element or attachment
Inventor
active
Clock radio receiver
Music source central controller
Music source central controller
No associations
LandOfFree
John Grinkus does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with John Grinkus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John Grinkus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1761704