Electric lamp and discharge devices
With luminescent solid or liquid material
With gaseous discharge medium
Inventor
active
Dual filament fluorescent lamp with electron shielding means
Mercury dispenser for arc discharge lamps
Method of despensing mercury into arc dishcharge lamp having cap
Method of dispensing mercury into a fluorescent lamp and lamp to
Method of dispensing mercury into an arc discharge lamp
No associations
LandOfFree
Ralph P. Parks, Jr. does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Ralph P. Parks, Jr., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ralph P. Parks, Jr. will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-252240