UNT Libraries Government Documents Department - 52 Matching Results

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Bandage

Description: Patent for a bandage made of elastic material which includes a flap that can be fastened, or unfastened, and which acts as a holder for an absorbent material that can be replaced.
Date: August 9, 1921
Creator: Kirwan, Leah M.

Bit-Frame

Description: Patent for a bit frame for holding ceiling cleats in place so that screws can be driven at each end. Illustrations included.
Date: April 9, 1912
Creator: Lagarde, Everette S. & Angenend, Peter A., Jr.

Boring Tool.

Description: Patent for a new boring tool used for digging post holes, shallow wells, and for like purposes. It has a pilot bit and a cutting disk that carries the loosened dirt from the bore to the surface.
Date: June 9, 1914
Creator: Keenan, Michael J.

Furnace.

Description: Patent for a furnace capable of burning rice hulls, sawdust, chaff, and more "in connection with the boiler for generating steam and which will entirely consume such products without contaminating the surrounding air with the ashes given off" (lines 31-34).
Date: March 9, 1920
Creator: Ewing, William E.

Improvement in Speed and Time Recorders.

Description: Patent for improvements in recording instruments to "document of all the movements of a locomotive while in charge of the engineer, to record any stoppages that may be made; the duration of such stoppages, and any backward motion of the locomotive at any point during the trip." (Lines 7-13) Illustration is included.
Date: September 9, 1879
Creator: Richardson, John D.

Improvement to Bridle-Rods

Description: Patent for the improvement of Bridle-Rods “of means whereby the device may be adjusted to accommodate itself to rails of different sizes” (lines 18-20). Instructions and illustrations included.
Date: February 9, 1915
Creator: Simpson, Charles M.

Indicator

Description: Patent for a vehicle indicator that indicates speed using a sound and light. "The driver may be warned when a certain speed is reached and so officers of the law and others may readily tell by glancing at the vehicle whether or not it is exceeding the speed limit."
Date: February 9, 1915
Creator: Hartman, Arthur R.

Ironing-Board.

Description: Patent for an ironing board for the particular use of ironing sleeves of garments and other small articles, and can be readily attached detached from a table, including illustrations and instructions.
Date: April 9, 1912
Creator: Clarke, Marcus S.
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