Uncategorized
Inventor
Electric lamp filament
Electric projection lamp
Filament for electric incandescent lamps
Filament for electric incandescent lamps
Gasoline production
No associations
LandOfFree
Walter Berger 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 Berger, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Walter Berger will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-192465