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Improvement in the Manufacture of Hydraulic Cement
Patent for the improvement in the manufacture of hydraulic cement with specifications for the manufacturing process and a description of usage.
Date:
June 25, 1878
Creator:
Dimelow, John
System:
The Portal to Texas History
Improvement in Paper Bags.
Patent for an improvement in paper bags with design specifications and a description of their functionality and usage, including illustrations.
Date:
June 18, 1878
Creator:
Alexander, Newton J.
System:
The Portal to Texas History
Improvement in Elevators.
Patent for improvements in elevators, for lifting heavy objects. It includes a description and illustration.
Date:
June 13, 1871
Creator:
Bishop, Josiah
System:
The Portal to Texas History
Improvement on Corn and Cotton Planters.
Patent for a combined corn and cotton planter.
Date:
June 23, 1874
Creator:
Domschke, Carles
System:
The Portal to Texas History