UNT Libraries Government Documents Department - 33 Matching Results

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Account-Index.

Description: Patent for an account index card holder with “superposed parallel arms” (lines 111-112) that allow portions of the front and reverse side of each card to be visible. The holder and its supports may be used with a system for organizing, tracking, and indexing accounts.
Date: November 4, 1913
Creator: Roach, William Eli

Air-Brake

Description: Patent for an air brake with instructions and illustrations.
Date: November 24, 1914
Creator: Wolf, Gustav B.

Apparatus for Projecting Motion-Pictures.

Description: Patent for an improvement to motion picture projectors that lowers the operating speed, thus reducing the amount of film needed for movies, and eliminates flickers in the projection. This patent includes instructions and illustrations.
Date: November 27, 1917
Creator: Craig, Richard M.

Bar Bending Appliance

Description: Patent for a bar bending appliance.
Date: November 28, 1916
Creator: Jameton, Adrian O.

Caster-Wheel

Description: Patent for a new and useful caster wheel with illustrations.
Date: November 24, 1914
Creator: Pepple, John W.

Clothes Pin or Clamp

Description: Patent for a more durable metal clothes pin.
Date: November 25, 1919
Creator: Townley, Percy

Combination Tie and Rail-Joint

Description: Patent for improvement in the safety of tie and rail-joints. Improves the connection so that independent movement of the tie and rail is reduced.
Date: November 17, 1914
Creator: Knaus, John J.

Composition for Sealing Tire-Punctures and the Like.

Description: Patent for sealing tire punctures consisting of the extract obtained from boiling guayule and candelilla plants in water to which is added asbestos and fullers' earth.
Date: November 27, 1917
Creator: Garza, Ricardo

Detector for Wireless Signaling Apparatus.

Description: Patent for wireless signaling apparatus which provides a detector which shall be universal in its application, by means of which any of the well known minerals or materials may be employed and removably held in proper position.
Date: November 21, 1911
Creator: Johnson, Maurice Bernays

Driving Mechanism for Automobiles and the like

Description: Patent for new and improved lubricating steering pump for automobiles and the like. Allows for better lubrication circulation to drive shafts.
Date: November 9, 1915
Creator: Allan, William N.

Ensilage-Cutting Machine.

Description: Patent for ensilage-cutting that will efficiently cut corn and other rough feed. It can be driven clockwise of anti-clockwise, can discharge the cut feed at different points, and has few parts. There are no cogs or gears to catch the operator's clothing.
Date: November 20, 1917
Creator: Sinclair, William

Filter.

Description: Patent for Improvements in Filters specifically used to remove "impurities from gasoline and oil, to fit the gasolene or oil for reuse" (lines 11-13).
Date: November 12, 1918
Creator: Caen, George, Sr.

Flexible Joint

Description: Patent for a flexible joint provides "an improved and simplified device that is simple, durable and reliable in construction and effective and efficient in operation" (lines 10-13).
Date: November 16, 1915
Creator: Mooney, Thomas H.

Ice-Cream Freezer

Description: Patent for a contraption designed to freeze ice cream.
Date: November 14, 1919
Creator: Knemeyer, William H.

Lamp-Operating Mechanism.

Description: Patent for the improvement within the lamp operating mechanism for automobiles. The invention allows lamps to be turned on simultaneously by using the front wheels.
Date: November 11, 1913
Creator: Wogenstahl, Leo J.

Line-Insulator.

Description: Patent for Line-Insulator for improvements telephone and telegraph line
Date: November 11, 1913
Creator: Meusebach, Otto C.

Nail.

Description: Patent for a nail with a spike attached to it.
Date: November 8, 1910
Creator: Hansen, Christian

Pencil-Sharpener.

Description: Patent for a pencil sharpener that sharpens pencils quickly and efficiently. This invention catches the resulting shavings and dust, and has a compact design to fit in a pocket.
Date: November 4, 1913
Creator: Wolf, John J.

Permutation-Lock.

Description: Patent for a device of a permutation lock. One of its objects is to improve the permutation mechanism thereof and to provide novel means whereby the combination of the lock may be changed.
Date: November 17, 1914
Creator: Meepos, Max

Pipe-Making Machine.

Description: Patent for pipe making machines in which "concrete, clay or shale is formed into pipe by a combined feeding and molding mechanism" (lines 17-19).
Date: November 7, 1911
Creator: Reese, Walter A.

Plate-Guard for Secondary Batteries.

Description: Patent for a plate-guard for secondary batteries. The invention relates to guard sheaths or envelopes to provide light, rigid, and inexpensive frame of acid-proof material to be build around the plate to protect the exposed metal of the plate.
Date: November 20, 1917
Creator: Luthy, Joseph O.

Process for Clarifying Oil

Description: Patent for clarifying oil with greater efficiency and removing residual oil from the filter.
Date: November 12, 1918
Creator: Munro, Alfred Gordon
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