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Antifriction-Bearing.
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.
System:
The Portal to Texas History
Improvement in Hair-Triggers for Fire-Arms.
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.
System:
The Portal to Texas History
Rotary Brush
Patent for a brush operated by a motor. Illustrations included.
Date:
May 19, 1908
Creator:
Stoerr, Max & Kuettner, Max
System:
The Portal to Texas History
Poultry Feeder and Waterer
Patent for a feeder designed to supply food and water to poultry.
Date:
May 19, 1908
Creator:
Kuettner, Max
System:
The Portal to Texas History
Dental Plate
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.
System:
The Portal to Texas History
Calf Weaner.
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.
System:
The Portal to Texas History