UNT Libraries Government Documents Department - 17 Matching Results

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Combined Rat and Mouse Trap.

Description: Patent for a cheaper and more effective trap that displays live bait but is unreachable to animals. The trap will make it "impossible for animals to escape after they have been captured" (lines 26-28), including illustrations.
Date: March 7, 1916
Creator: Bevers, William S., Jr.
Item Type: Refine your search to only Patent

Envelop.

Description: Patent for an envelope that employs a lock and seal mechanism to increase security of contents. The envelope cannot be opened without tampering or mutilating the envelope.
Date: January 26, 1915
Creator: Wallace, Curtis C.
Item Type: Refine your search to only Patent

Nut-Lock

Description: Patent for a nut lock that can be easily applied and detached from a bolt. Will lock screws in place to avoid accidental rotation of the bolt and is less expensive to make.
Date: February 16, 1915
Creator: Boren, W. E.
Item Type: Refine your search to only Patent

Planter.

Description: Patent for a Planter that is adjustable used to drops seeds, forming a covered furrow so that sub-soil may be plowed.
Date: March 6, 1917
Creator: Baker, Gustavus A.
Item Type: Refine your search to only Patent

Wax.

Description: Patent for improving wax to be used by shoemakers consisting of gasolene [sic], rosin and pine tar. The improved wax adheres to the shoe leather and the threads making both the leather and the seams waterproof and more supple. This wax product does not blacken the hands of the shoemaker.
Date: May 18, 1915
Creator: Vest, Harvey P.
Item Type: Refine your search to only Patent
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