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Composition Pulp Plaster and Process of Manufacturing Same.

Description: Patent for "a composition pulp plaster designed as a substitute for ordinary lime-plaster and equivalent materials and particularly adapted for use in warm moist climates, where the ordinary lime-plaster lacks durability and is rendered non-adherent. A further objective of the invention is to provide a cheap substitute for plaster which will be not only waterproof, but also fireproof and gas-proof or practically impervious to air" (lines 9-18). It includes instructions for manufacturing the plaster with various proportions of the ingredients depending on the purpose.
Date: May 9, 1899
Creator: Blake, David H. & Ray, Jeramiah P.
Partner: UNT Libraries Government Documents Department

Lock.

Description: Patent for a new and useful improvement in locks, including instructions and illustrations.
Date: May 30, 1899
Creator: Katzenberger, Oscar
Partner: UNT Libraries Government Documents Department

Expanding Hub.

Description: Patent for certain new and useful improvements in metallic vehicle wheel hubs, including instructions and illustrations.
Date: May 17, 1898
Creator: Vollrath, Louis F.
Partner: UNT Libraries Government Documents Department

Sanitary Closet

Description: Patent for "improvements on sanitary closets for destroying the human excrement-s on the premises with little labor and expense" (lines 8-11).
Date: May 13, 1890
Creator: McCamant, Theodore F.
Partner: UNT Libraries Government Documents Department

Lifting-Jack.

Description: Patent for "an improved lifting-jack designed expressly for track-levelers, although the construction may be varied for other purposes." (Lines 9-12) Includes instructions and illustrations.
Date: May 12, 1896
Creator: Arnold, Raiford A.
Partner: UNT Libraries Government Documents Department

Uterus-Battery.

Description: Patent for "a simple and compact electrical or galvanic device, adapted, when placed in the womb of a patient, to develop a mild electric action and thereby promote the flow of the menses and render the same regular and painless" (lines 16-19).
Date: May 22, 1894
Creator: Hinkley, Charles Samuel Whitney
Partner: UNT Libraries Government Documents Department

Propeller for Boats.

Description: Patent for improvements in propellers for boats by “having a pair of hinged propeller-blades adapted to swing toward and away from each other, combined with fixed prongs; which are engaged with the propeller blades and hold them from displacement.” (Lines 60-65) Illustration is included.
Date: May 5, 1891
Creator: Gillespie, Lewis
Partner: UNT Libraries Government Documents Department

Pneumatic Cotton-Picker.

Description: Patent for an improved pneumatic cotton-picker that is meant "to produce a simple machine having a cotton receiving box or vacuum box and arranged to use both a blast and suction pipe, these pipes being oppositely arranged and the suction pipe being made to deliver into the cotton box" (lines 10-17). The cotton is sucked from the plants and delivers it into a cotton box. A guide lines the machine up with the row of cotton.
Date: May 23, 1893
Creator: Mauermann, Gustav A.
Partner: UNT Libraries Government Documents Department

Electric Cigar-Lighter.

Description: Patent for a cigar lighter in which the cigar is lit on a glowing surface, improves on the ease of operating a cigar lighter, and provides space for an advertisement.
Date: May 4, 1897
Creator: Handshy, Henry M.
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for "automatic pin-and-link car-couplings in which a sliding spring-actuated block is employed for supporting the coupling-pin in an elevated position preparatory to coupling." (Lines 8-12) Includes instructions and illustrations.
Date: May 25, 1897
Creator: Lee, Charles
Partner: UNT Libraries Government Documents Department