Mail Carrier or Container. (open access)

Mail Carrier or Container.

Patent for a mail carrier designed with a ratchet and clamp to hold mail securely while also allowing for quick extraction of the mail.
Date: April 27, 1920
Creator: Blocker, Leck H.
System: The Portal to Texas History
Power-Driven-Implement Frame (open access)

Power-Driven-Implement Frame

Patent for improvements in power driven implement frames, specifically in tractors, with illustrations.
Date: January 13, 1920
Creator: Armstrong, Ira
System: The Portal to Texas History
Combination Furnace and Cook-Stove (open access)

Combination Furnace and Cook-Stove

Patent for combination furnace and cook-stove designed to burn charcoal and conserve fuel.
Date: June 28, 1921
Creator: Weaver, Bertha H.
System: The Portal to Texas History
Rotary Fountain-Brush (open access)

Rotary Fountain-Brush

Patent for a Rotary Fountain-Brush. The innovation of this item is that the water or cleaning agent fed into the brush causes it to rotate, using the medium of a water wheel or rotary.
Date: August 2, 1921
Creator: Hargis, Lawrence H.
System: The Portal to Texas History
Funnel (open access)

Funnel

Patent for a funnel for heavy, slow running liquids, that will prevent any spilling when turned sideways.
Date: November 9, 1920
Creator: Kominsky, Isaac J.
System: The Portal to Texas History