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Liquid Dispensing Machinemm

Description: Patent for a machine can dispense potable liquids to several customers at the same time.
Date: October 19, 1920
Creator: Ogden, Clayton N.
Partner: UNT Libraries Government Documents Department

Well-Boring Apparatus

Description: Patent for "new and useful improvements in well boring apparatus. The object of the invention is to provide an apparatus of the character described embodying a rotary table and a novel means for connecting the same to the string of pipe, which extends down into the well and which is rotated by said table and in turn rotates the boring tool carried by the lower end of said spring of pipe" (lines 9-18) including instructions and illustrations.
Date: October 19, 1920
Creator: Decker, Harry R.
Partner: UNT Libraries Government Documents Department

Liquid Coating Composition

Description: Patent for improved non-flammable paint and multi-purpose byproduct of paint production process.
Date: October 19, 1920
Creator: McKay, Arthur N. & Willis, William L.
Partner: UNT Libraries Government Documents Department
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