UNT Libraries Government Documents Department - 14 Matching Results

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Blind-Slat Fastener.

Patent for improvements in shutter attachments, in which it locks the slats in place at a desired angle. Illustration is included.

Date: October 1, 1907

Creator: Winslow, Walter W.

Item Type: Patent

Patent for new and useful improvements in chain-jacks. "This invention aims to provide a chain-jack for lifting the boxes of axles, so that the bearings or brasses therefor can be readily replaced, and is designed especially for use in cases of hot boxes on railway-cars" (line 11-15).

Date: February 18, 1902

Creator: Phillips, Henry S.

Item Type: Patent

Composition for Removing Boiler-Scale

Patent for "an extract of the plant know to botanists by the name 'Larrea Mexican,' to be used in removing boiler-scale and in preventing the reformation of the same" (lines 9-13).

Date: April 16, 1901

Creator: Pena, Benjamin

Item Type: Patent

Combined Land Roller, Furrow Opener, And Marker

Patent for a device that combines the function of a land-roller, furrow opener, and marker. Illustration included.

Date: March 13, 1906

Creator: MacDonell, Allan

Item Type: Patent

Air Brake

Patent for air brakes. Illustration included.

Date: March 21, 1905

Creator: Minnick, Hezekiah

Item Type: Patent

Lubricator.

Patent for a lubricating device for use on railroad cars, which continuously supplies lubricant to the journal box of the train car.

Date: October 6, 1908

Creator: Maness, William C.

Item Type: Patent

Lock

Patent for a lock. Illustrations included.

Date: April 21, 1908

Creator: Winslow, Walter W.

Item Type: Patent

Lock

Patent for a lock. Illustrations included.

Date: April 21, 1908

Creator: Winslow, Walter W.

Item Type: Patent

Multiple Telegraph

Patent for "a simple device of this character by means of which any one of a number of instruments or translating devices at a distance may be operated over a single line-wire and by means of a single flow of electric current through said wire" (lines 10-15).

Date: May 7, 1901

Creator: Foster, Samuel T., Jr.

Item Type: Patent