Improvement in Windmills (open access)

Improvement in Windmills

Patent for the improvement of wind mills, that includes a detailed description as well as labeled figure drawings.
Date: May 20, 1873
Creator: Jackson, Thomas R.
System: The Portal to Texas History
Improvement in Spurs. (open access)

Improvement in Spurs.

Patent for improvements in spurs that permanently attaches the spur to the boot, including illustrations.
Date: May 20, 1879
Creator: Brown, John S.
System: The Portal to Texas History
Improvement in Jack-Screws and Clamps Combined. (open access)

Improvement in Jack-Screws and Clamps Combined.

Patent for an invention "to combine a jack-screw or lifting-jack with a clamp, so that they may be interchangeably used." (Lines 19-21) Includes instructions and illustrations.
Date: May 20, 1873
Creator: Jackson, Thomas R.; Jackson, Asberry C. & Watson, Claudius S.
System: The Portal to Texas History
Improvement in Medical Compounds or Bitters for Treating Chills and Fever. (open access)

Improvement in Medical Compounds or Bitters for Treating Chills and Fever.

Patent for a new medical compound to treat chills and fevers which lists the ingredients and dosages.
Date: May 20, 1873
Creator: Owens, Thomas B.
System: The Portal to Texas History
Improvement in Saw-Cleaning Attachments for Cotton-Gins. (open access)

Improvement in Saw-Cleaning Attachments for Cotton-Gins.

Patent for a "new and useful Saw-Cleaning Attachment for Cotton-Gins" (lines 3-4) including illustrations.
Date: May 20, 1879
Creator: Mulkey, George H.
System: The Portal to Texas History
Improvement in Hair-Triggers for Fire-Arms. (open access)

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
Improvement in Cotton-Gin-Saw Cleaners. (open access)

Improvement in Cotton-Gin-Saw Cleaners.

Reissued patent for "a device for quickly cleaning the saws of cotton-gins when they become gummed. It consists in a series of knives that are supported by a movable bar or frame, and may be thrust between the saws when the same are to be cleaned (para. 4-5).
Date: May 20, 1879
Creator: Munger, Robert S.
System: The Portal to Texas History
Improvement in Cotton-Worm Destroyers. (open access)

Improvement in Cotton-Worm Destroyers.

Patent for "a new machine for removing the destructive cotton-worms from the cotton-plants without injury to the plants, and for destroying the worms," which "consists in the arrangement of a movable frame, which is by animals drawn over the fields to straddle the rows of cotton, and which is provided with brushes for sweeping the worms from the plants, and with jointed bottom pieces or slides, which crush them on the ground." (Lines 15-25) Includes instructions and illustrations.
Date: May 20, 1873
Creator: Helm, Jackson
System: The Portal to Texas History