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in subjects: "Science and Technology - Tools"  
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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.
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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: Isaac J. Kominsky
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Can-Opener.

Description: Patent for a can opener that is made from "a single flat piece of metal" (line 17) and is made for ease of operation, reducing the chance of the user cutting themselves.
Date: March 19, 1918
Creator: Williams, Paul E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

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

Wrist Blotter

Description: Patent for a wrist blotter that provides a simple and inexpensive blotter to be attached to the wrist.
Date: October 1, 1918
Creator: Cardwell, Harland W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mail Carrier or Container.

Description: Patent for a mail carrier designed with a ratchet and clamp to hold mail securely while also allowing for quick extraction of the mail.
Date: April 27, 1920
Creator: Blocker, Leck H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electrode for Secondary Batteries.

Description: Patent for improvements in the manufacture of electrodes for storage batteries or accumulators by using “two corresponding plates, each having flanges on three sides of one face, said plates being united to form a central space open at top by securing together corresponding flanges on the respective plates.” (Lines 5-9, page 2) Illustration is included.
Date: June 23, 1891
Creator: Anderson, Boyd
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Partner: UNT Libraries Government Documents Department

Separator.

Description: Patent for separator to be used with a plow in removing undesirable materials from dirt.
Date: April 10, 1917
Creator: Crowson, Jonas H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Septic Tank

Description: Patent for Septic Tank for sewage disposal. This patent improves previous models, due to its easily instillation.
Date: April 8, 1913
Creator: Payne, George Ralph & Moore, Stewart
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mattress-Stuffing Machine

Description: Patent for Mattress Stuffing Machine which “consists of a bed and cover to hold the stuffing material and give it proper shape, rods to keep the stuffing material in shape while it is being inserted into the ticking, a follow-block for pushing the stuffing and rods into the ticking." (lines 9-14), including illustrations.
Date: August 7, 1900
Creator: Rehkopf, Henry C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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