Uncategorized
Inventor
Method and apparatus for controlling traffic flow in...
Multi-phase traffic control system
Traffic actuated, master adjusted controller
Traffic actuated, master adjusted, multiphase controller
No associations
LandOfFree
W. Hill Frank 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. Hill Frank, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and W. Hill Frank will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-729113