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Improvement in Hair-Triggers for Fire-Arms.

Description: Patent for "an improved trigger for fire-arms which shall be provided with a hair-trigger in such a way that the hair-trigger may be used or not, as may be desired, which shall be complete in itself, so that it may be applied to any kind of fire-arm without change in its construction" (lines 17-23), includes illustrations.
Date: May 20, 1879
Creator: Toepperwein, Emil A. F.
Partner: UNT Libraries Government Documents Department

Poultry Feeder and Waterer

Description: Patent for a feeder designed to supply food and water to poultry.
Date: May 19, 1908
Creator: Kuettner, Max
Partner: UNT Libraries Government Documents Department

Dental Plate

Description: Patent for an improved dental plate design that fits better in the mouth of the user and allows for easier speaking and eating.
Date: May 20, 1919
Creator: Glaser, Adolph J.
Partner: UNT Libraries Government Documents Department

Calf Weaner.

Description: Patent for a new and improved device for weaning calves. This design is "to be attached to the central cartilage of the calf's nose . . . with sharp points that come against the cow's bag when the calf attempts to suck; and the invention consists in attaching the parts . . . together like a pivot, forming a part of one of the points and adapting them to be held closed by means of a small screw, whereby the device is rendered very cheap, yet effective and reliable" (lines 15-25).
Date: May 29, 1883
Creator: Geissler, William F.
Partner: UNT Libraries Government Documents Department

Rotary Brush

Description: Patent for a brush operated by a motor. Illustrations included.
Date: May 19, 1908
Creator: Stoerr, Max & Kuettner, Max
Partner: UNT Libraries Government Documents Department

Antifriction-Bearing.

Description: Patent for certain new and useful improvements in antifriction bearings for " the ends of the hub and means for eluding dust fro the bearings" (line 11 -13).
Date: May 10, 1898
Creator: Hobron, Charles B.
Partner: UNT Libraries Government Documents Department
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