Optical: systems and elements
Projection screen
Border, mask, shade, or curtain
Inventor
active
Image maintenance shield
Image maintenance shield
No associations
LandOfFree
John M. Edwards does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with John M. Edwards, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John M. Edwards will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-2666396