Roller Bearing (open access)

Roller Bearing

Patent for Roller Bearing
Date: January 2, 1917
Creator: Galbraith, David G.
System: The Portal to Texas History
Milk-Cooler (open access)

Milk-Cooler

Patent for a milk cooler that may be used to keep milk or other food items chilled without the use of ice. Illustrations included
Date: June 2, 1908
Creator: Hay, Perrie
System: The Portal to Texas History
Gasolene-Cut-Off Lock for Automobiles. (open access)

Gasolene-Cut-Off Lock for Automobiles.

Patent for a lock-controlled device to cut-off gasoline to the carburetor to prevent unauthorized or accidental use of the automobile. "Further objects of the invention are to provide a device of this character which is simple and inexpensive in its construction" (lines 20-22).
Date: November 2, 1915
Creator: Reid, William Otho
System: The Portal to Texas History