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Mail-Box

Description: Patent for "a mail-box adapted to be placed at or on the house of the person receiving the mail, so as to facilitate a house-to-house delivery" (lines 8-11).
Date: June 4, 1901
Creator: Myer, Clayton Pittinger
Partner: UNT Libraries Government Documents Department

Tool-Joint.

Description: Patent for improvements in a tool joint that has been adapted to connect sections of a drill used in drilling wells.
Date: June 29, 1920
Creator: Stafford, George A. & Stafford, Roy M.
Partner: UNT Libraries Government Documents Department

Fence Post Foundation

Description: Patent for fence post foundation. Illustration included.
Date: June 13, 1911
Creator: Gregory, Marshal J.
Partner: UNT Libraries Government Documents Department

Specification of Letters Patent.

Description: Patent for improvements in the seals for well screens to provide a permanent joint or seal between the screen and the casing with out blocking passage.
Date: June 21, 1921
Creator: Thomson, Alexander
Partner: UNT Libraries Government Documents Department

Saw-Gage.

Description: Patent for improvements on saws by providing “cleaner-teeth and arranged to permit accurate filing of the cleaner-teeth without leaving an undesirable bur and without danger of filing the teeth too short for proper working in a cut.” (Lines 10-14) Illustration is included.
Date: June 11, 1901
Creator: Steele, Daniel Carlos
Partner: UNT Libraries Government Documents Department

Rail Plate And Fastener

Description: Patent for rail plate fastener. This invention is designed to secure rails to ties without the use of spikes. Illustration included.
Date: June 21, 1904
Creator: Butterfield, Walter V.
Partner: UNT Libraries Government Documents Department

Pipe-Puller.

Description: Patent for improvements in pipe pullers that grips the pipe and cuts the same time it is pulled.
Date: June 20, 1920
Creator: Robichaux, Sosthene & Paggi, Charles
Partner: UNT Libraries Government Documents Department

Animal-Tread.

Description: Patent for improvements in animal-treads when “animal is placed in the tread, the single or double tree being attached to the arm c’, and thus in addition to his weight he will have his strength to operate the tread. The function of the rope and weight is to keep the traces and tree from under the animal’s feet in case he should slack his speed, and thus prevent his tripping.” (Lines 59-66) Illustration is included.
Date: June 16, 1891
Creator: Bevil, John R.
Partner: UNT Libraries Government Documents Department
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