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Rotary Fountain-Brush

Description: Patent for a Rotary Fountain-Brush. The innovation of this item is that the water or cleaning agent fed into the brush causes it to rotate, using the medium of a water wheel or rotary.
Date: August 2, 1921
Creator: Hargis, Lawrence H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Chopping-Ax.

Description: Patent for an ax that is "provided with a poll made in two sections adapted to be clamped or secured to the handle and receive a removable bit or hardened section presenting the cutting edge" (lines 16-20).
Date: January 5, 1897
Creator: Crabtree, James G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Funnel

Description: Patent for a funnel for heavy, slow running liquids, that will prevent any spilling when turned sideways.
Date: November 9, 1920
Creator: Kominsky, Isaac J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Clothes-Pin.

Description: Patent for an improved clothes pin made from resilient wire stock and comprised of side by side loops and nipping jaws, including illustrations.
Date: August 11, 1915
Creator: Griffin, William Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[Letter from I. H. Kempner to William M. Nathan, December 19, 1945]

Description: Letter from I. H. Kempner to William M. Nathan discussing the minutes of the National Hillel Commission meeting, the new Hillel unit at Wayne University that was funded by the Detroit area lodges, and a proposed committee meeting. He also explains that his head pain has not been fixed but has eased since his appointments in New York.
Date: December 19, 1945
Creator: Kempner, Isaac H. (Isaac Herbert), 1873-1967
Item Type: Refine your search to only Letter
Partner: Rosenberg Library

Cross-Tie.

Description: Patent for a railroad cross tie made of concrete and metal, which can be attached without spikes or bolts.
Date: October 24, 1911
Creator: Whaley, Albert L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Apparatus for Cleaning Cotton

Description: Patent for an improvement to boll breakers and cotton cleaners by performing the tasks of picking, cleaning, beating, and spreading more efficiently and effectively.
Date: February 19, 1918
Creator: Streun, John Arnold
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Check-Row Attachment for Corn-Planters

Description: Patent for "an improved check-row attachment for corn-planting machines, the object of my invention being to provide an efficient mechanism for actuating the seed-dropping mechanism of the corn-planter and which my be operated by the feet of the driver or by a check-wire in such manner as to cause the seeds to be planted in check-rows." (lines 8-15) including illustrations.
Date: June 9, 1903
Creator: Agee, George S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cattle-Guard.

Description: Patent for a cattle guard for railroad tracks, which is activated by the pressure of a cow stepping on its platform and raises bars to block the the cow from crossing the track. It goes back down automatically when the pressure is removed off the platform.
Date: February 2, 1909
Creator: Crouch, Jim L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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