Grain Valley, Missouri
United States
4
2018-09-27
The entities that hold a legal rights for patent applications filed by inventor SHIELDS William:
William SHIELDS from Grain Valley, US has applied for patents for these inventions. The list has both pending applications and granted patents:
System and method for controlling a level crossing
#2 | 2018-09-27Method for controlling a level crossing and railway installation for implementing such method
#3 | 2018-09-27System and method for controlling a level crossing
#4 | 2018-09-27System and method for controlling a level crossing
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