Draft-Equalizer (open access)

Draft-Equalizer

Patent for a device that can be attached to the draft tongue of an animal-drawn agricultural machine to equalize resistance and allow it to be drawn evenly in a straight line.
Date: December 25, 1917
Creator: Butts, Jim P.
System: The Portal to Texas History
Attachment for Coffee-Roasters. (open access)

Attachment for Coffee-Roasters.

Patent for an attachment to a coffee-roaster that assists in separating coffee beans from foreign matter.
Date: December 25, 1917
Creator: Liberto, Samuel
System: The Portal to Texas History
Automobile Hay-Rake. (open access)

Automobile Hay-Rake.

Patent for "an improved hay rake, for farm use, adapted to be attached to and operated by an automobile or motor truck or wagon." (lines 8-11) including illustrations.
Date: December 25, 1917
Creator: Holeman, David O.
System: The Portal to Texas History
Insulator. (open access)

Insulator.

Patent for an insulator for water pipes that conducts away electric current to be utilized elsewhere.
Date: December 25, 1917
Creator: Stone, Oscar Otto
System: The Portal to Texas History
Emergency-Tire. (open access)

Emergency-Tire.

Patent for a spare automobile tire with improvements to the design which allow it be easily applied on the road in case of emergency.
Date: December 25, 1917
Creator: Poe, James G.
System: The Portal to Texas History
Silo. (open access)

Silo.

Patent for a silo with a foundation that uses post erected in the foundation that are arranged to form an octagon.
Date: December 25, 1917
Creator: Holland, Earl R. & Henderson, George A.
System: The Portal to Texas History
Rolling Cattle-Guard. (open access)

Rolling Cattle-Guard.

Patent for a serrated device that prevents cattle from escaping.
Date: December 25, 1917
Creator: Belto, Thomas M.
System: The Portal to Texas History