Blackboard-Eraser (open access)

Blackboard-Eraser

Patent for "blackboard-erasers in which the erasing material is detachable from the wood block or handle and permits...being used continuously."
Date: November 18, 1902
Creator: Williams, Lavinia B.
System: The Portal to Texas History
Combined Cultivator, Harrow, and Planter (open access)

Combined Cultivator, Harrow, and Planter

Patent for "agricultural implements in which a single frame is utilized to support various kinds of mechanisms, and in the present invention there is included a frame of simple and improved construction adapted for carrying and to be used in connection with earth-engaging, implements, such as harrow-teeth and cultivator blades, as well as rollers, for the purpose of crushing clods and leveling the surface of the land." (lines 8-18). Includes description and illustrations.
Date: November 23, 1905
Creator: Johnson, Alfred Butler
System: The Portal to Texas History
Hay Or Cotton Press (open access)

Hay Or Cotton Press

Patent for "certain new and useful improvements in Hay or Cotton Presses" (lines 4-6), including illustrations.
Date: November 12, 1901
Creator: Hamilton, Robert
System: The Portal to Texas History
Harness. (open access)

Harness.

Patent for a harness, which leaves the animal's limbs free and is cleaner and easier to use.
Date: November 24, 1908
Creator: Holder, William Jefferson
System: The Portal to Texas History