UNT Libraries Government Documents Department - 6 Matching Results

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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

Item Type: Patent

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

Item Type: Patent

Improvement In Cotton-Cultivators.

Patent for improvements in cotton-plant cultivators.

Date: July 20, 1878

Creator: Harvey, William W.

Item Type: Patent

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

Item Type: Patent

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.

Item Type: Patent

Improvement in Billiard-Cushions.

Patent for improvement in billiard-cushions. Patent for removable billiard table cushion.

Date: July 10, 1877

Creator: Mansur, John S.

Item Type: Patent

UNT Libraries Government Documents Department - 6 Matching Results

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Improvements in Machines for Making Paving-Blocks.

Improvement in Spike-Extractors.

Improvement In Cotton-Cultivators.

Improvements in Velocipedes.

Improvement in Velocipedes

Improvement in Billiard-Cushions.