Uncategorized
Inventor
Relay
Telephone system
Voice frequency ringer
No associations
LandOfFree
Walter Brandt does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Walter Brandt, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Walter Brandt will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-113901