Photocopying
Contact printing
Light boxes
Inventor
active
Adaptive technique for providing accurate tone reproduction cont
Barcode and data storage arrangement on a photographic element
Color electrostatography process control by way of toner develop
Electrophotographic color proofing apparatus and method
Hardcopy output device with test patch location sequencer
No associations
LandOfFree
John P. Spence 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 P. Spence, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John P. Spence will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-234425