Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
Examiner
active
No affiliations
LandOfFree
David S Barker does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with David S Barker, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and David S Barker will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-3181271