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Improvement In Cultivators
Patent for an improved cultivator, with adjustable wheel base, plow height and more (pg 1).
Date:
July 23, 1872
Creator:
Griffith, William H.
System:
The Portal to Texas History
Improvement in Fences.
Patent for improvement in iron fences by using rails and bars to support the braced posts. All the parts are easily taken apart, this flexibility allows the fence to be set on uneven as well as on level ground. Illustration is included.
Date:
July 23, 1872
Creator:
Lerick, Isaac N.
System:
The Portal to Texas History
Improvement in Grinding-Mills.
Patent for the improvement of grinding-mills, including a description and illustration.
Date:
July 23, 1872
Creator:
Loy, George W. & Baker, Francis C.
System:
The Portal to Texas History
Improvement in Brick-Machines.
Patent for improvements the process of molding moist clay into brick.
Date:
July 23, 1878
Creator:
Kennedy, Lewis B.
System:
The Portal to Texas History
Improvement in Railway-Tracks.
Patent for improvements in the adjoining of railway tracks.
Date:
July 23, 1878
Creator:
Cottingham, Gideon W.
System:
The Portal to Texas History