G - Physics
11
B
Inventor
Disc record player with improved anti-skating device
Disc record player with logic circuit controlled pick-up arm
Disc-record player with improved anti-skating device
Pickup arm control by an elongating wire
Record players
No associations
LandOfFree
John P. Wren 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 P. Wren, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John P. Wren will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-253939