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Improvement in Ground-Squirrel Exterminators.

Description: Patent for an "improved apparatus by means of which ground-squirrels and gophers can be destroyed in their holes, conveniently and effectively, and at small expense" (para. 4). The mechanism works by gassing underground vermin with sulphuric fumes.
Date: July 10, 1877
Creator: Dreyer, Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Masks for Horses and Cattle.

Description: Patent for a slitted leather mask for animals to be used for horses, cattle, etc. to deter the jumping of fences. Patent for "mask, covering the eyes of the animal, leaves him with a sufficiently free vision, and being thoroughly ventilated, will not injure his eyes".
Date: July 10, 1877
Creator: Trueblood, Albert H
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Postage or Revenue Stamps.

Description: Patent for an improvement in postage or revenue stamps. Patent for postage or revenue stamp "composed of two superposed sheets or layers, A B, the top layer carrying the printed designs, having parallel incisions therein, and the bottom layer being provided with adhesive material on the back". Patent for postage and revenue stamps that cannot be re-used.
Date: July 10, 1877
Creator: Beaumont, David G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Vehicle-Wheels.

Description: Patent for an "invention to provide a vehicle-wheel that is capable of being expanded so as to fit the tire". Patent for an invention to facilitate removing and replacing wagon or buggy tires.
Date: July 10, 1877
Creator: Racer, Martin J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Bridle Attachments.

Description: Patent for "a bridle of novel construction for training and taming horses; and it consists in the combination of brace and guide-reins, neck and crupper straps, sureingle, and collar." (Lines 12-16) Includes instructions and illustrations.
Date: April 10, 1877
Creator: Cummings, Seton S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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