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3 Matching Results
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Wheeled Scraper.
Patent for improvements on the scoop-like body of a wheeled scraper. Includes illustrations.
Date:
June 24, 1909
Creator:
Robbins, John Proctor
System:
The Portal to Texas History
Gate
Patent for a gate. Illustration included.
Date:
February 8, 1910
Creator:
Matthews, Joseph William
System:
The Portal to Texas History
Railroad-Signal.
Patent for a new Railroad-Signal invention. The Railroad-Signal functions as an improved device for alerting locomotive engineers that an upcoming bridge is broken, flooded, or on fire.
Date:
February 25, 1913
Creator:
Waddle, Calvin H. & Roberston, Everett C.
System:
The Portal to Texas History