Inventor
active
Three element objective lens with ellipsoidal, hyperbolic, and p
Zoom projection lens
No associations
LandOfFree
Paul Lewis Ruben does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Paul Lewis Ruben, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Paul Lewis Ruben will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-491767