Resource Type
Counties
3 Matching Results
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Car-Replacer
Patent for car replacer. It is an improvement to "what is called a 'frog' or a 'shoe'." The invention involves "two frogs or shoes which are used together" and are used "in such a way as to replace a car truck. . ." (Ledbetter)
Date:
December 1, 1914
Creator:
Ledbetter, Louis H.
System:
The Portal to Texas History
Stove
Patent for a more efficient and cost effective heating apparatus. The stove is designed for coal and similar fuel sources.
Date:
December 14, 1915
Creator:
Hanna, John J.
System:
The Portal to Texas History
River Steamboat
Patent for improvements in the construction and design of passenger and freight river steamboats.
Date:
December 13, 1887
Creator:
Simpson, George Louis James
System:
The Portal to Texas History