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  Partner: UNT Libraries Government Documents Department
 County: Comal County, TX
 Collection: Texas Patents
Automatic Telephone-Exchange System.

Automatic Telephone-Exchange System.

Date: December 5, 1893
Creator: Serdinko, John
Description: Patent for "a simple system and arrangement which is especially adapted for a telephone exchange, which enables the instruments to be connected by a single wire, which dispenses with the use of an operator at the central station, which has automatic means for registering the messages sent by each subscriber, and which is provided with an automatic switching device by means of which one subscriber may connect with any other" (lines 10-19).
Contributing Partner: UNT Libraries Government Documents Department
Corn-Husker.

Corn-Husker.

Date: December 22, 1896
Creator: Willmann, Joseph
Description: Patent for a "simple, inexpensive, and convenient hand-operated machine employing an oscillating knife or cutter for severing the stalk or stem and at at the same time clamping the shucks, so that the ear, when turned, will effect the bursting open of the shucks, thus permitting the ready removal of the ear" (lines 8-15).
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Cotton-Tie Stretchers.

Improvement in Cotton-Tie Stretchers.

Date: August 22, 1871
Creator: Mather, Samuel
Description: Patent for an improvement for an instrument to stretch and tie a band around a cotton bale.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Draw-Gages.

Improvement in Draw-Gages.

Date: June 25, 1878
Creator: Tays, John Henry
Description: Patent for improving the manner in which leather straps may be cut and avoid slippage.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Glass Globes or Reservoirs for Lamps.

Improvement in Glass Globes or Reservoirs for Lamps.

Date: April 16, 1872
Creator: Otto, Adolph
Description: Patent for an "invention to prevent the breaking of glass globes used in kerosene lamps as reservoirs for the burning fluid; and this invention consists in the application around the reservoir of a rubber ring let into a groove, but projecting sufficiently to receive the concussion in case the lamp is overthrown." (Lines 10-16) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Wheel-Plows.

Improvement in Wheel-Plows.

Date: September 5, 1871
Creator: Coreth, Rudolph
Description: Patent for an improvement in wheel plows made so that "the plowing may be done by passing back and forth in parallel lines" (lines 17-18).
Contributing Partner: UNT Libraries Government Documents Department
Portable Dark Room.

Portable Dark Room.

Date: February 28, 1882
Creator: Serdinko, John
Description: Patent for a new and improved portable dark room. This design "consists in a box provided with an opening in one side and a sleeve of pliable material extending outward from this opening, which box contains two smaller boxes for receiving the exposed and unexposed dry plates. The box is provided with a handle for carrying it" (lines 13-19).
Contributing Partner: UNT Libraries Government Documents Department
Rotary Force Pump.

Rotary Force Pump.

Date: April 14, 1885
Creator: Serdinko, John
Description: Patent for a new and improved rotary force-pump. This design "consists in a rotary force-pump constructed with a tubular standard provided with one or more flexible tubes having interior half-tubes and an interior cylinder mounted upon a crank-shaft and provided with adjustable bars carrying rollers whereby a liquid can be raised by the successive action of the said rollers upon the said flexible tubes" (lines 22-29).
Contributing Partner: UNT Libraries Government Documents Department
Saddle-Tree Fork.

Saddle-Tree Fork.

Date: February 17, 1880
Creator: Mittendorf, Gustav Adolph
Description: Patent for a new and improved saddle-tree fork. This design "strengthen[s] the iron fork by means of a bent wooden part" (lines 14-15). It also utilizes ribs running into and through the neck cavity, which strengthens the neck of the saddle, as when bearing the strain of a lasso.
Contributing Partner: UNT Libraries Government Documents Department
Spring Bed-Bottom.

Spring Bed-Bottom.

Date: August 8, 1854
Creator: Meriwether, William Hunter
Description: Patent for the improvement of bedsteads using a spring bottom-construction with zig-zag wire, including illustration.
Contributing Partner: UNT Libraries Government Documents Department
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