Improvement in Spike-Extractors. (open access)

Improvement in Spike-Extractors.

Patent for "an improvement in the class of nail-extractors in which a gripe or grapple formed of pendent springs or hinged jaws is employed." (lines 7-10) including instructions and illustrations.
Date: September 29, 1874
Creator: Devine, William
System: The Portal to Texas History
Improvement in Velocipedes (open access)

Improvement in Velocipedes

Patent for the improvement of Velocipedes. The improvement consists of a new and novel combination and arrangement of propelling power, due to the weight of the body, which may be aided by the muscular force thereof and guiding apparatus.
Date: February 13, 1872
Creator: Maltby, Henry A.
System: The Portal to Texas History
Improvements in Velocipedes. (open access)

Improvements in Velocipedes.

Patent for the improvement of velocipedes. Improvements combine foot and band propelling apparatus with guiding apparatus.
Date: December 13, 1870
Creator: Maltby, Henry
System: The Portal to Texas History
Improvements in Machines for Making Paving-Blocks. (open access)

Improvements in Machines for Making Paving-Blocks.

Patent for the improvement in machines for making paving-blocks.
Date: October 24, 1871
Creator: Brooks, Samuel Wallace
System: The Portal to Texas History
Improvement In Cotton-Cultivators. (open access)

Improvement In Cotton-Cultivators.

Patent for improvements in cotton-plant cultivators.
Date: July 20, 1878
Creator: Harvey, William W.
System: The Portal to Texas History
Improvement in Billiard-Cushions. (open access)

Improvement in Billiard-Cushions.

Patent for improvement in billiard-cushions. Patent for removable billiard table cushion.
Date: July 10, 1877
Creator: Mansur, John S.
System: The Portal to Texas History