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 Collection: Texas Patents
Cake-Baking Pan.

Cake-Baking Pan.

Date: May 11, 1891
Creator: McDaniel, Mary E.
Description: Patent for a device "which will afford the means to bake form-cakes of different varieties in a perfect manner in the oven," (lines 9-11) including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Calculating Device.

Calculating Device.

Date: November 24, 1885
Creator: Tucker, Argyle W.
Description: Patent for a new and improved calculator. This design "consists in having a central disk provided on each side with a disk somewhat smaller, the three being pivoted centrally, so that the smaller disks on the sides may be rotated independently of the central disk. The central disk has twelve or more marginal figures on each side, equidistant from each other, and a column of figures extending inwardly from each marginal figure" (lines 19-27).
Contributing Partner: UNT Libraries Government Documents Department
Calculating-Machine.

Calculating-Machine.

Date: April 17, 1894
Creator: Stallard, Sherman R.
Description: Patent for an improvement to mechanical calculators by providing the "means for facilitating the addition of successive numbers of the same or different denominations, and also for subtracting and multiplying the same by substantially the means employed in adding" (lines 10-14). It includes a written explanation and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Calculator.

Calculator.

Date: October 13, 1896
Creator: Copeland, Wesley Albert & Roberts, Cyrus
Description: Patent for a calculator "in which a bar having a series of numbers thereon slides in a frame or base also provided with a series of numbers" (lines 10-12). It is meant for quickly adding numbers.
Contributing Partner: UNT Libraries Government Documents Department
Calendar.

Calendar.

Date: April 6, 1891
Creator: Sittig, Alexander Franklin
Description: Patent for improvements to the monthly reference calendar, which includes note space and a monthly index. Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Calendar.

Calendar.

Date: September 22, 1896
Creator: Dickason, Frank B.
Description: Patent for "a perpetual calendar embodying such a construction that the movement of a finger device will turn wheels, so as to successively display the names of the days of the week, the numbers of the days of the months, and the names of the months, the mechanism being such that the name of a month will be displayed until the numbers of all its days have been displayed, when the name of the succeeding month will be displayed, and so on." (Lines 13-22) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Calf Weaner.

Calf Weaner.

Date: May 29, 1883
Creator: Geissler, William F.
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).
Contributing Partner: UNT Libraries Government Documents Department
Calf Weaner.

Calf Weaner.

Date: June 16, 1885
Creator: Evans, Thomas W.
Description: Patent for a new and improved calf weaner. This design consists in "a strap, ring, or belt surrounding the muzzle of the calf or other animal, and attached permanently by means of head-stall straps or other suitable-devices, the muzzle-ring being provided with radiating blunt-pointed wires of suitable length, whereby the calf is prevented from reaching the teat, and the mother, being irritated or titillated by the projecting wires, repulses the attempts of the animal to suckle" (lines 18-27).
Contributing Partner: UNT Libraries Government Documents Department
Calf-Weaner.

Calf-Weaner.

Date: October 29, 1895
Creator: Sone, Charles W.
Description: Patent for a simple and inexpensive calf-weaner muzzle, that can also be used for colts, and is an "attachment for securing a barbed frame to a halter, whereby the frame is maintained in the operative position without interfering with the adjustment of the members of the halter to suit the size of the head of the animal" (lines 10-15).
Contributing Partner: UNT Libraries Government Documents Department
Calf Weaner.

Calf Weaner.

Date: June 28, 1887
Creator: Rickman, Robert L.
Description: Patent for a new and improved calf weaner. This design "consist[s] of the plate provided with an upper inclined portion in which is held a rod having pointed projections, a vertical fixed arm, and an opposing pivoted arm, the upper ends of the said arms being curved toward each other and provided with opposing aligning buttons, and means for locking the pivoted arm" (lines 72-79).
Contributing Partner: UNT Libraries Government Documents Department