Uncategorized
Inventor
Discharge tube electrode
Electron discharge tube
Electrostatic filter apparatus
Manufacture of vacuum tubes
Manufacture of vacuum tubes
No associations
LandOfFree
J. Kayko Charles does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with J. Kayko Charles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and J. Kayko Charles will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-624888