Railway switches and signals
Electric automatic highway signals, mine doors, and gates
Car-actuated controller
Inventor
active
No associations
LandOfFree
James R. Bartel does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with James R. Bartel, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and James R. Bartel will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-442518