Uncategorized
Inventor
Electromagnetic switching device
Electromagnetic telephone relay
Shock mount for relays
No associations
LandOfFree
A. Zupa Frank does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with A. Zupa Frank, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A. Zupa Frank will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-724291