UNT Libraries Government Documents Department - 90 Matching Results

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Interlocking-Bar Grating for Jails.

Description: Patent for gratings used in jails. "In these structures as ordinarily made upright and horizontal bars are provided which are located at right angles to each other, these bars being necessarily secured together at their points of intersection to prevent their being spread apart" (lines 11-16).
Date: November 25, 1902
Creator: Youngblood, David Franklin

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.

Lifting-Jack.

Description: Patent for a new and useful lifting jack, including instructions and illustrations.
Date: November 7, 1899
Creator: Luke, William

Line-Insulator.

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

Lining for Cells, Vaults, or the Like

Description: Patent for Lining for Cells, Vaults, or the Like. The Linings whether employed in Jail-Cells or other Similar Buildings , and the object thereof is to provide a structure made up of parts which may be placed within a room or enclosure and securely built therein without necessity of using patch-bolts or screws.
Date: November 25, 1902
Creator: Youngblood, David F.

Lock

Description: Patent for a combination lock that is able to be changed at will due to its arrangement of parts.
Date: November 24, 1903
Creator: Katzenberger, Oscar

Lock

Description: Patent for a lock. Illustration included.
Date: November 6, 1906
Creator: Katzenberger, Oscar

Lock-Escutcheon.

Description: Patent for a lock escutcheon, which can be attached to the door on either side and which does not require carpentry expertise to install.
Date: November 16, 1909
Creator: Magruder, Paul K.

Mold for Building Concrete Walls.

Description: Patent for a mold to be used in the construction of concrete walls, including illustrations and instructions.
Date: November 24, 1885
Creator: Carrico, Thomas W.

Nail.

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

Odorless Dry Outhouse and Apparatus for Use Therewith

Description: Patent for "an outhouse which will be adapted for use in localties where water is scarce, or where it is either or both impracticable or undesirable to use water for flushing or draining" (lines 32-36).
Date: November 20, 1888
Creator: Carrico, Thomas W.

Odorless Dry Outhouse and Refuse-Burner.

Description: Patent for a combined odorless dry outhouse and refuse burner for a cellar or vault in which night-soil or garbage may be reduced to ashes in the shortest possible time with low expense, including illustrations.
Date: November 10, 1891
Creator: Carrico, Thomas W.

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

Process of Treating Ores.

Description: Patent for "an improved method of reducing gold and silver ores and recovering their metals." (Lines 10-11) Includes instructions and illustrations.
Date: November 17, 1896
Creator: Barbour, Thomas P.

Rafter-Marking Instrument.

Description: Patent for a rafter marking instrument for quickly measuring common rafter cuts.
Date: November 16, 1909
Creator: Richter, John Ludwig

Reinforced Belt.

Description: Patent for a reinforced belt made with power transmission in mind. It has an improved body which is made up of steel U-shaped chain links embedded in flexible belt material. The belt is strong, flexible, durable, simple, and inexpensive.
Date: November 30, 1920
Creator: Shiner, Elliot E.

Ruling Machine

Description: Patent for a ruling machine. Illustrations included.
Date: November 8, 1904
Creator: Crozier, Harry C. & Clegg, Luther B.

Safety-Aeroplane

Description: Patent for a safety aeroplane including instructions and illustrations.
Date: November 10, 1914
Creator: Haynes, Thomas Stanley
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