Electricity: motive power systems
Braking
Automatic and/or with time-delay means
Inventor
active
Electronic controls
Recorder device, reading device and regulating device
No associations
LandOfFree
Alan Polkinghorne does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Alan Polkinghorne, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Alan Polkinghorne will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-882290