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Demountable-Rim-Fasting Means. (open access)

Demountable-Rim-Fasting Means.

Patent for Improvement to Demoutable-Rim-Fastening Means. This device will hold the rim in place.
Date: July 20, 1920
Creator: Spero, David Lawrence
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
Self-Filling Tire (open access)

Self-Filling Tire

Patent for a product that automatically inflates automobile tires with the motion and weight of the moving vehicle, with the help of a piston that is not driven by springs.
Date: April 20, 1915
Creator: Fernandez, Jose
System: The Portal to Texas History