Optics: measuring and testing
Range or remote distance finding
With photodetection
Examiner
active
No affiliations
Electric motor operated camera
Rangefinder
LandOfFree
W. Perkey does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with W. Perkey, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and W. Perkey will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1304017