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6 Matching Results
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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
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.
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.
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.
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.
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