G - Physics – 10 – H
Inventor
G - Physics
10
H
Inventor
Country: United States Of America
Circuit for controlling the expression of an electronically...
Circuit for tracking tempo variation in player pianos
Electronic player piano having a system for encoding of...
Electronic player piano with base and treble expression effects
Method and apparatus for recording digital signals for...
No associations
LandOfFree
Joseph M. Campbell does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Joseph M. Campbell, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Joseph M. Campbell will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-105386