Optical: systems and elements
Compound lens system
Inventor
active
High quality objective using air bearing
Lens system and photographic copier for rotating images
No associations
LandOfFree
Walter Hellriegel 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 Hellriegel, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Walter Hellriegel will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1501679