UNT Libraries Government Documents Department - 54 Matching Results

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Adding-Machine

Description: Patent for improvements to adding machines, which is key-operated and includes a vertically disposed shaft and a means to actuate the sliding plate.
Date: January 5, 1915
Creator: Gatewood, William F.

Locking Device for Car-Doors.

Description: Patent for a locking device for a sliding train car capable of locking automatically upon close, including illustrations.
Date: May 9, 1916
Creator: Tierney, Henry J.

Improvement to Lifting-Jacks

Description: Patent for the improvement of the lifting jack which allows the user to "lower the lifting bar by a step-by-step movement as well as to elevate the lifting bar by such a movement (lines 12-14). Includes instructions and illustration."
Date: January 12, 1915
Creator: Parker, Charles W. & Wittliff, Theodore H.

Ventilating-Fastener.

Description: Patent for an improved tuft fastening device that provides ventilation through cushion tufts to make cushions cooler to the touch, including illustrations.
Date: May 8, 1917
Creator: Davis, Don M. & Underwood, Thomas J.

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.

Range-Finder For Small-Arms.

Description: Patent for an improved Range-Finder for Small-Arms at an inexpensive price which can be attached at any rifle specifically designed and used in the United States Army.
Date: November 24, 1914
Creator: Guild, George R.

Game Apparatus.

Description: Patent for a new game apparatus that can be playing indoors or outdoors and made in both large and small sizes "in which the elements, of chance, skill, and endurance constitute important factors in the successful playing of said game." (lines 10-13) including instructions and illustrations.
Date: June 2, 1914
Creator: Schuler, Joseph & Overbeck, Harry A.

Churn

Description: Patent for a churn that can produce butter in very short period of time with minimal effort.
Date: May 19, 1913
Creator: Hoefer, Charles Jr.; Belt, Marcus L. Jr. & Belt, William R.

Osteopathic Table

Description: Patent for improvements in Osteopathic Tables by adding mechanical parts to facilitate ease of movement and manipulation of the human body for "correcting and curing physical irregularities of the spine and ribs" (lines 19-20), includes instructions and illustrations.
Date: May 20, 1913
Creator: Sherwood, L. Walker

Combined Tie-Plate and Rail Anticreeper

Description: Patent for a railroad tie plate designed to remained locked to the base of the rail and to prevent dislocation of the base. Illustrations included.
Date: March 29, 1910
Creator: Clarke, Marcus S. & Adreon, Edward L., Jr.

Combination Claw and Pinch Bar

Description: Patent for a combination claw and pinch bar that is adapted for use with railway tracks. Illustrations included.
Date: May 10, 1910
Creator: Clarke, Marcus S. & Adreon, Edward L.

Bread-Cutter

Description: Patent for a bread cutter which can cut multiple loaves of bread in succession and cuts of the crust of the bread.
Date: November 12, 1907
Creator: Hassell, Frank J.

Body-Bolster

Description: Patent for a body bolster for a railway vehicle. Illustrations included.
Date: December 17, 1907
Creator: Wahlert, Henry A.

Automatic Street Car Coupling

Description: Patent for automatic street car coupling.
Date: May 30, 1905
Creator: Cary, Lewis C.; Caldwell, Julia & Swiney, Everett E.

Magazine-Hammer

Description: Patent for a new Magazine-Hammer. The new and improved Magazine-Hammer consists of a setting hammer head, carrying handle, feed device for nails, tacks, or like fasteners, discharge device, and mounted setting tube. This Magazine-Hammer improvement allows the operator to drive fasteners with one hand and manipulate an object with one free hand.
Date: July 2, 1912
Creator: Smith, Oliver J. A.

Stationary Boiler.

Description: Patent for a new and useful improvements in stationary boilers for " marine, locomotive, and stationary purposes" (line 14- 15).
Date: January 4, 1898
Creator: McCallum, Daniel W.

System of Electrical Operation.

Description: Patent for an electrical system, which reduces the amount of power used to run a generator when there is low usage of the generator, thereby saving fuel.
Date: July 2, 1907
Creator: Slaughter, Joel C.

Tax-Calculating Device

Description: Patent for a tax calculating device that will calculate the percentages of the total tax that need to go to different agencies.
Date: April 23, 1912
Creator: Goss, George W.

System of Electrical Operation.

Description: Patent for an electrical system to power generators, which can reduce the power flow to the generator during low usage periods.
Date: July 2, 1907
Creator: Slaughter, Joel C.

Music-Indicator.

Description: Patent for a music indicator, which shows sheet music notations and the name of the note and major and minor chords on a device, which is placed over the keyboard of a piano to show where the different notes are for use in teaching music.
Date: January 21, 1908
Creator: Thrash, William E.

Tie-Plate

Description: Patent for a tie plate that sticks firmly to the ties, keeps out moisture, and is lighter than other tie plates.
Date: July 16, 1912
Creator: Walton, Jay W. & Dayton, William H.

Glazier's Table

Description: Patent for a table that holds window glass in place for assembly. Illustrations included.
Date: June 29, 1909
Creator: Cosby, William B.
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