Uncategorized
Inventor
Hollow cathodes for lamps
Lamps using spherical cathodes
No associations
LandOfFree
W. Vollmer John does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with W. Vollmer John, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and W. Vollmer John will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-853389