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Water-Cooler.

Description: Patent for a simple, efficient, and inexpensive portable water cooler that refrigerates the water "by the action of the air and the evaporation of the liquid or vapor percolating the material" (lines 12-14). It does not use ice and can be used in rural areas.
Date: September 5, 1893
Creator: Hymans, Joseph
Partner: UNT Libraries Government Documents Department

Medical Compound

Description: Patent for a medical compound which "when taken internally, is a cure for gonorrhea, gravel, dysentery, and diarrhea, and when applied externally a cure for rheumatism" (lines 12-14).
Date: September 4, 1906
Creator: Mendez, Jesus M.
Partner: UNT Libraries Government Documents Department

Car-Door.

Description: Patent for a sliding car door and the frame that allows its sliding mechanism to work.
Date: September 7, 1915
Creator: Sneddon, William
Partner: UNT Libraries Government Documents Department

Boiler Cleaning Compound

Description: Patent for a boiler cleaning compound for steam-boilers and furnaces to prevent buildup from hard water.
Date: September 27, 1904
Creator: López, Néstor
Partner: UNT Libraries Government Documents Department
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