[Photograph of Miller's Spring]

[Photograph of Miller's Spring]

Date: 2011-12/2012-03
Creator: West, Carolyn Effie
Description: Photograph of Miller's Spring to Denison, Texas. The spring can be partially seen in the right of the picture with a decorative rock wall along the edge of the spring. Trees and houses can be seen in the background.
Contributing Partner: Private Collection of Carolyn West
Treadle-Spring.

Treadle-Spring.

Date: March 6, 1894
Creator: Frank, Gustav, Jr.
Description: Patent for an improved treadle spring to be used in treadles that are used in sewing machines, scroll-saws, and similar machines. It is simple, inexpensive, efficient, and requires less effort to operate the treadle. The spring does not move while in use.
Contributing Partner: UNT Libraries Government Documents Department
Harrow.

Harrow.

Date: May 15, 1894
Creator: Johnson, John C.
Description: Patent for an improved harrow made up of a yielding frame, an extensible truss-bar, slotted braces, an angle iron, a lever connected to the frame and the truss-bar, a hook that holds the open end of the lever, and a plate on the lever that straddles a bail.
Contributing Partner: UNT Libraries Government Documents Department
Door-Spring.

Door-Spring.

Date: May 22, 1894
Creator: Wilson, James L.
Description: Patent for simple, inexpensive, and durable door springs meant to hold a door in place, and can be easily used.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Spectacle-Frames.

Improvement in Spectacle-Frames.

Date: November 30, 1875
Creator: Stewart, John W.
Description: Patent for "spectacle-frames in which the bows are turned into a coil near the points where they are connected to the lens-hoops for the purpose of forming spring-joints, instead of the ordinary pivot-joints." (Lines 6-10) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Running-Gears.

Improvement in Running-Gears.

Date: February 1, 1876
Creator: Gilmore, George W.
Description: Patent for running-gear on carriages that "consists mainly in improvements in the connections of the axles with the springs, perch, and other parts" (para. 5), with illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Animal-Trap.

Animal-Trap.

Date: March 17, 1891
Creator: Bassinger, Stephen
Description: Patent for an improved animal trap for “catching small animals in a trap which will be ever set and in operative position for catching an animal and which will be automatically reset” (lines 10-13), illustration is included.
Contributing Partner: UNT Libraries Government Documents Department
Rein-Holder.

Rein-Holder.

Date: March 10, 1891
Creator: Shurmon, James D.
Description: Patent for a rein-holder that is made with one piece of metal which can be attached to the dash-board of a vehicle, includes illustration.
Contributing Partner: UNT Libraries Government Documents Department
Car-Coupling.

Car-Coupling.

Date: April 14, 1891
Creator: Chandler, Richard
Description: Patent for improvements in automatic car-couplers by providing "the means for automatically coupling cars without exposing the operator to the risk and danger of going between the cars when coupling,” (lines 12-15) includes illustration.
Contributing Partner: UNT Libraries Government Documents Department
Hay-Press.

Hay-Press.

Date: May 19, 1891
Creator: Grant, Richard A.
Description: Patent for improvements in hay-presses by using the combination of a ram having a connecting rod, a rack engaged with a rotatable cog-wheel, a bed-plate, a weighted lever, a buffer and other minor parts to create the pressing operation. Illustration is included.
Contributing Partner: UNT Libraries Government Documents Department
FIRST PREV 1 2 3 4 5 NEXT LAST