Railroad - Railway Crossing Gate
Railroad
About This Innovation
Mary Isabelle Riggin of Newark, New Jersey filed a patent for the first Railway Crossing Gate in 1890. This invention warned pedestrians and drivers of an approaching train and was the precursor to today's automated gates.
Key Information
Category:
Railroad
Completion Status:
yes
Patent Number:
N/A
Patent Information
Patent Number: N/A
Technical Specifications
N/A
