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Construction of Doors or Window-Sashes.
Patent for "improvements in the construction of doors and window-sashes, the object being to provide a door or window-sash which shall be constructed of two pieces of timber united by means of a key to prevent warping or twisting" (lines 8-13). The panel of the door or the pane of glass can also be united by the key. This design lightens and cheapens doors and window-sashes.
Date:
July 28, 1896
Creator:
Cordray, Henry A.
System:
The Portal to Texas History
Corner-Planter and Fertilizer-Distributer.
Patent for improvements in corn-planters and fertilizer-distributers is to combine the two into one machine by dividing the hopper into two compartments; one for fertilizing material and the other for corn-seeds. The bottom of these two compartments, each has its own opening design to dispense the seeds and fertilizers. Illustration is included.
Date:
July 7, 1891
Creator:
Davis, William Haywood
System:
The Portal to Texas History
Electric motor.
Patent for improved electric motor used in motor vehicles "which may be associated directly with the driving-wheel of a motor-vehicle" (lines 40-41), bypassing the need for other power-transmitting mechanisms. Includes instructions and illustrations.
Date:
July 20, 1897
Creator:
Perret, Frank A.
System:
The Portal to Texas History
Middle Breaker.
Patent for improvements in middle breakers is to “combine a middle-breaker plow with a sweep-stock so that it may be made to run at different depths without adjusting the beam-clevis.” (Lines 15-18) Illustration is included.
Date:
July 7, 1891
Creator:
Schoenfelder, August
System:
The Portal to Texas History