Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Railroad-Crossing.
Patent for a railroad crossing that has tracks, which make less noise when it is crossed by a train than previous models.
Date:
April 25, 1911
Creator:
Blankinship, William Asbury & Copeland, William
System:
The Portal to Texas History
Coupling Means for Demountable Rum Sections.
Patent for coupling means for demountable-rim sections. Improved device that is simple, durable, efficient, and inexpensive to produce.
Date:
September 25, 1917
Creator:
Cumpston, Frederick B.
System:
The Portal to Texas History