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Load-Indicator.

Description: Patent for a Load-Indicator for tools being used in drilling a well. The indicator gives an accurate measure of the weight upon the drill, allowing operators to adjust the weight accordingly.
Date: November 25, 1919
Creator: Fletcher, Harold W.
Partner: UNT Libraries Government Documents Department

Well-Screen Washer and Perforator.

Description: Patent for a device that is used to wash a screen set in an oil well and perforate the pipe the screen is attached to.
Date: March 25, 1919
Creator: Wilkirson, Aaron L.
Partner: UNT Libraries Government Documents Department

Pipe-Wrench

Description: Patent for a pipe-wrench that features new and useful improvements and also extends the purposes to which the pipe-wrench may be applicable.
Date: November 25, 1919
Creator: Steen, Buford J.
Partner: UNT Libraries Government Documents Department

Detachable Automobile Spring-Tire.

Description: Patent for a detachable automobile leaf spring tire. This invention would provide a tire of simple construction with leaf springs and will have a secure connection of the inner and outer tire parts.
Date: March 25, 1919
Creator: La Bauve, Lillie W.
Partner: UNT Libraries Government Documents Department

Sample Taking Device

Description: Patent for an oil sample-taking device.
Date: February 25, 1919
Creator: Dodds, Redus D.
Partner: UNT Libraries Government Documents Department

Rotary Boring Drill.

Description: Patent for "rotary boring drills for use in drilling wells or mines in earth or rock" (lines 11-13) including instructions and illustrations.
Date: November 25, 1919
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Footboard-Brace for Vehicles.

Description: Patent for footboard-brace for vehicles that are adapted to be supported from the vehicle frame and is also adjustable.
Date: March 25, 1919
Creator: Beyer, Daniel A.
Partner: UNT Libraries Government Documents Department

Bulkhead.

Description: Patent for bulkhead that is "adapted for use as a sea wall or quay wall" (lines 10-11).
Date: March 25, 1919
Creator: Sands, Edward E.
Partner: UNT Libraries Government Documents Department
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