G - Physics – 02 – C
Inventor
G - Physics
02
C
Inventor
Hearing aid transistor amplifiers
Transistor amplifier hearing aid unit with receiver...
No associations
LandOfFree
Frank A. Herrmann does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Frank A. Herrmann, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Frank A. Herrmann will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-377164