6 Matching Results

This system will be undergoing maintenance June 27th between 9:00AM and 12:00PM CDT.

Search Results

Door-Operator.

Description: Patent for a device that is a means of mounting a train car door by which it may be easily opened or closed, and especially easily fixed when stuck.
Date: August 26, 1913
Creator: Gradick, Wiley, Sr.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen