Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
Inventor
active
Electrically powered wheel-chair for indoor and outdoor use
Eye movement measurement device with multiple light emitting and
Eye movement measuring apparatus
Hand operated wheel-chair
Method and apparatus for the measurement of rapid light variatio
No associations
LandOfFree
Per Udden does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Per Udden, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Per Udden will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-220697