22 Matching Results

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Valve

Description: Patent for improvement to a valve design, with illustrations.
Date: January 8, 1907
Creator: Pinkerton, Henry S.
Partner: UNT Libraries Government Documents Department

Telephone Signal

Description: Patent for a telephone signals. This inventions is a switchboard drop of the visual signal for magneto system at a central office. Illustration included.
Date: January 8, 1907
Creator: Schuessler, Gustavus W.
Partner: UNT Libraries Government Documents Department

Switchboard

Description: Patent for a switchboard for use with telephone exchanges and electrical plants. The invention is designed to connect any line wire to the jack wire. Illustration included.
Date: January 8, 1907
Creator: Weir, Welby D.
Partner: UNT Libraries Government Documents Department

Syringe

Description: Patent for a syringe. This invention is meant for use with animals to perform artificial insemination. Illustrations included.
Date: January 8, 1907
Creator: Brookes, Robert C.
Partner: UNT Libraries Government Documents Department

Time Circuit Closer

Description: Patent for a time circuit closer for use in managing the movements of secondary clocks regulated by a masterclock. Illustration included.
Date: January 8, 1907
Creator: Guthrie, William S.
Partner: UNT Libraries Government Documents Department

Drainage Apparatus.

Description: Patent for a drainage apparatus by using two siphon-pipes, a back-pressure valve and an automatic starting device to drain the water from one place to another when the water is at a predetermined level. Illustration is included.
Date: January 8, 1901
Creator: Carroll, Samuel C.
Partner: UNT Libraries Government Documents Department

Cultivator and Planter

Description: Patent for improvements in combined cultivators and corn/cotton planters to adapt an ordinary cultivator for planting of seeds with adjustable seed-tube and furrow opener to accommodate various character of ground being worked or cultivation being done.
Date: January 8, 1901
Creator: Prentice, Peter Mack
Partner: UNT Libraries Government Documents Department

Shutter Attachment

Description: Patent for a shutter attachment that acts as a spacer and holds the window shutters open; it sits between the slats and is attached to the rod that opens the shutters.
Date: January 8, 1901
Creator: Eppright, George Jacob
Partner: UNT Libraries Government Documents Department

Scoop

Description: Patent for a scoop. This invention is designed to act as a scoop for the purpose of weighing food stuff on a scale. Illustration included.
Date: January 8, 1907
Creator: Howe, Frank C.
Partner: UNT Libraries Government Documents Department

Fan

Description: Patent for a a spring motor fan. Illustration included.
Date: January 8, 1907
Creator: Tomison, Willis Albert & Hitt, John F.
Partner: UNT Libraries Government Documents Department

Changeable Gearing.

Description: Patent for changeable gearing by using an axle, bevel-gears, stub-shafts and a crank-axle to construct the changeable gear, so that the “sprocket is locked to rotate with the crank-axle in one direction, while it may rotate freely of the axle in opposite direction, and, furthermore, that the sprocket may be locked to rotate with the axle or may be caused to rotate at a higher-speed than the axle.” (Lines 8-14.) Illustration is included.
Date: January 8, 1901
Creator: Brady, Alford
Partner: UNT Libraries Government Documents Department

Crutch.

Description: Patent for improvements in crutches by making the crutch adjustable in length according to a person’s height and “overcome the jerks by the movements with the crutches.” (Lines 15-16) Illustration is included.
Date: January 8, 1901
Creator: Hough, Orson E.
Partner: UNT Libraries Government Documents Department

Bed

Description: Patent for a bed. This invention is designed for invalids that also provides a bed pan. Illustration included.
Date: January 8, 1907
Creator: Myers, Nancy S. A. E.
Partner: UNT Libraries Government Documents Department
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